diff --git a/config.py b/config.py
index 5f1e686..d8d9c91 100644
--- a/config.py
+++ b/config.py
@@ -24,7 +24,7 @@ ScreenY = 40
 
 DefaultBrightness = 0.6
 
-Serial = "/dev/ttyACM0"
+Serial = "/dev/ttyTeensy"
 
 # kills app after some seconds if it sends no data
 NoDataTimeout = 40
@@ -47,6 +47,7 @@ Apps = [
     AppConfig(guiname="Digi Clock", name="digiclock", cmd="./digi_clock.py"),
     AppConfig(guiname="Text Scroller MQTT", name="textscroll", cmd="./textscroll.py"),
     AppConfig(guiname="Spot", name="spot", cmd="./spot.py", white=True),
+    AppConfig(guiname="Fireworks", name="fireworks", cmd="./fireworks.py", white=False),
     AppConfig(guiname="Flicker", name="flicker", cmd="./flicker"),
 
     AppConfig(guiname="Pixelflut", name="pixelflut", cmd="./pixelflut", persistent=True),
@@ -60,17 +61,17 @@ Apps = [
     AppConfig(guiname="Wget Video/Gif/Images", name="wget", cmd="./wget.sh"),
 
     # juergen/pixelfoo
-    AppConfig(guiname="Congress noise", name="cnoise", cmd="./cnoise", path="pixelfoo-apps/target/release/"),
-    AppConfig(guiname="Color code", name="colorcode", cmd="./colorcode", path="pixelfoo-apps/target/release/"),
-    AppConfig(guiname="Game of Life", name="life", cmd="./life", path="pixelfoo-apps/target/release/"),
-    AppConfig(guiname="Matrix Code", name="matrix-code", cmd="./matrix-code", path="pixelfoo-apps/target/release/"),
-    AppConfig(guiname="Lorenz Attractor", name="lorenz", cmd="./lorenz", path="pixelfoo-apps/target/release/"),
-    AppConfig(guiname="Primes", name="primes", cmd="./primes", path="pixelfoo-apps/target/release/"),
-    AppConfig(guiname="Alien Message", name="alien-message", cmd="./alien-message", path="pixelfoo-apps/target/release/"),
-    AppConfig(guiname="Dual Moodlight", name="bimood", cmd="./bimood", path="pixelfoo-apps/target/release/"),
-    AppConfig(guiname="Maze", name="maze", cmd="./maze", path="pixelfoo-apps/target/release/"),
-    AppConfig(guiname="Dual Maze", name="dualmaze", cmd="./dualmaze", path="pixelfoo-apps/target/release/"),
-    AppConfig(guiname="Predator & Prey", name="predprey", cmd="./predprey", path="pixelfoo-apps/target/release/"),
+    AppConfig(guiname="Congress noise", name="cnoise", cmd="./cnoise"),
+    AppConfig(guiname="Color code", name="colorcode", cmd="./colorcode"),
+    AppConfig(guiname="Game of Life", name="life", cmd="./life"),
+    AppConfig(guiname="Matrix Code", name="matrix-code", cmd="./matrix-code"),
+    AppConfig(guiname="Lorenz Attractor", name="lorenz", cmd="./lorenz"),
+    AppConfig(guiname="Primes", name="primes", cmd="./primes"),
+    AppConfig(guiname="Alien Message", name="alien-message", cmd="./alien-message"),
+    AppConfig(guiname="Dual Moodlight", name="bimood", cmd="./bimood"),
+    AppConfig(guiname="Maze", name="maze", cmd="./maze"),
+    AppConfig(guiname="Dual Maze", name="dualmaze", cmd="./dualmaze"),
+    AppConfig(guiname="Predator & Prey", name="predprey", cmd="./predprey"),
 
     # App(guiname="Beat Saber Ceiling", name="beatsaberceiling", cmd="./beatsaberceiling.py", path="beatsaberceiling"),
 
diff --git a/configs/pixelthudconf.py b/configs/pixelthudconf.py
new file mode 100644
index 0000000..6be5ddb
--- /dev/null
+++ b/configs/pixelthudconf.py
@@ -0,0 +1,8 @@
+Apps = [
+    # pixelthud
+    {"guiname": "Fading Pixels", "name": "fadingpxls", "cmd": "apps/fading_pixels.py", "persistent": False},
+    {"guiname": "Plane Wave", "name": "planewave", "cmd": "apps/plane_wave.py", "persistent": False},
+    {"guiname": "Rock-paper-scissors-spock-lizard", "name": "rps", "cmd": "apps/rps.py", "persistent": False},
+    {"guiname": "Doom Fire", "name": "doomfire", "cmd": "apps/doom_fire_psx2.py", "persistent": False},
+    {"guiname": "Maxwell FDTD", "name": "fdtd", "cmd": "apps/fdtd.py", "persistent": False},
+]
diff --git a/deckensteuerung.service b/deckensteuerung.service
index 5e6dbce..cd99346 100644
--- a/deckensteuerung.service
+++ b/deckensteuerung.service
@@ -2,6 +2,9 @@
 Description=Deckensteuerung Server
 
 [Service]
+User=lounge
+Group=uucp
+
 Type=exec
 ExecStart=/usr/bin/python3 -u /home/ds/pixelserver2/main.py
 WorkingDirectory=/home/ds/pixelserver2
diff --git a/html/draw.html b/html/draw.html
index e56568e..87e8512 100644
--- a/html/draw.html
+++ b/html/draw.html
@@ -13,8 +13,10 @@
             --header-color: #1a202c;
             --subheader-color: #718096;
             --toolbar-bg: #ffffff;
-            --button-bg: #e53e3e;
-            --button-hover-bg: #c53030;
+            --button-red-bg: #e53e3e;
+            --button-red-hover-bg: #c53030;
+            --button-blue-bg: #3b82f6;
+            --button-blue-hover-bg: #3167bf;
             --swatch-border: #e2e8f0;
             --active-swatch-border: #3b82f6;
             --input-bg: #f7fafc;
@@ -154,9 +156,8 @@
             color: var(--text-color);
         }
 
-        #clearCanvas {
+        .control-group button {
             padding: 0.6rem 1rem;
-            background-color: var(--button-bg);
             color: white;
             border: none;
             border-radius: 0.5rem;
@@ -165,8 +166,20 @@
             transition: background-color 0.2s ease;
         }
 
+        #clearCanvas {
+            background-color: var(--button-red-bg);
+        }
+
         #clearCanvas:hover {
-            background-color: var(--button-hover-bg);
+            background-color: var(--button-red-hover-bg);
+        }
+
+        #saveCanvas {
+            background-color: var(--button-blue-bg);
+        }
+
+        #saveCanvas:hover {
+            background-color: var(--button-blue-hover-bg);
         }
 
         #grid-container {
@@ -191,7 +204,7 @@
 <div class="main-container">
     <header>
         <h1>Pixel Art Canvas</h1>
-        <p>Click and drag to paint. Your changes are live.</p>
+        <p>Click and drag to paint. Your changes are live. <a href="gallery.html">Gallery</a></p>
     </header>
 
     <div class="toolbar">
@@ -210,6 +223,7 @@
         </div>
         <div class="control-group">
             <button id="clearCanvas">Clear</button>
+            <button id="saveCanvas">Save</button>
         </div>
     </div>
 
@@ -224,14 +238,16 @@
         const paletteContainer = document.getElementById('color-palette');
         const brushSizeSelect = document.getElementById('brushSize');
         const clearCanvasBtn = document.getElementById('clearCanvas');
+        const saveCanvasBtn = document.getElementById('saveCanvas');
 
         // --- Grid Configuration ---
         const GRID_ROWS = 40;
         const GRID_COLS = 80;
         const DEFAULT_COLOR = '#ffffff';
         const PRESET_COLORS = [
-            '#ffffff', '#c0c0c0', '#ff0000', '#ffa500', '#ffff00',
-            '#008000', '#0000ff', '#4b0082', '#ee82ee', '#000000'
+            '#ffffff', '#c0c0c0', '#ff0000', '#ffa500',
+            '#ffff00', '#008000', '#0000ff', '#4b0082',
+            '#ee82ee', '#b5651d', '#000000',
         ];
 
         // --- State Management ---
@@ -414,6 +430,12 @@
             }))
         });
 
+        saveCanvasBtn.addEventListener('click', async () => {
+            await fetch("/save_frame").then((res) => {
+                // if (res.ok) ...
+            });
+        });
+
         // --- Initial Load ---
         initializePalette();
         initializeGrid();
diff --git a/html/gallery.html b/html/gallery.html
new file mode 100644
index 0000000..4a2bb12
--- /dev/null
+++ b/html/gallery.html
@@ -0,0 +1,191 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Pixel Art Gallery</title>
+    <style>
+        /* --- CSS styles are identical to the previous version --- */
+        :root {
+            --bg-color: #f7fafc;
+            --text-color: #2d3748;
+            --grid-border: #cbd5e0;
+            --header-color: #1a202c;
+            --subheader-color: #718096;
+            --card-bg: #ffffff;
+            --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
+            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
+        }
+
+        @media (prefers-color-scheme: dark) {
+            :root {
+                --bg-color: #1a202c;
+                --text-color: #e2e8f0;
+                --grid-border: #4a5568;
+                --header-color: #ffffff;
+                --subheader-color: #a0aec0;
+                --card-bg: #2d3748;
+            }
+        }
+
+        body {
+            margin: 0;
+            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
+            background-color: var(--bg-color);
+            color: var(--text-color);
+            display: flex;
+            flex-direction: column;
+            align-items: center;
+            min-height: 100vh;
+            padding: 1rem;
+            box-sizing: border-box;
+        }
+
+        .main-container {
+            width: 100%;
+            max-width: 1200px;
+            display: flex;
+            flex-direction: column;
+            align-items: center;
+        }
+
+        header {
+            text-align: center;
+            margin-bottom: 2rem;
+        }
+
+        h1 {
+            font-size: 2.25rem;
+            font-weight: 700;
+            color: var(--header-color);
+            margin: 0;
+        }
+
+        header p {
+            margin-top: 0.25rem;
+            color: var(--subheader-color);
+        }
+
+        header p a {
+            color: var(--subheader-color);
+            font-weight: 500;
+        }
+
+        #gallery-grid {
+            display: grid;
+            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
+            gap: 1.5rem;
+            width: 100%;
+        }
+
+        .gallery-item {
+            background-color: var(--card-bg);
+            border-radius: 0.5rem;
+            box-shadow: var(--shadow-md);
+            padding: 1rem;
+            display: flex;
+            flex-direction: column;
+            align-items: center;
+            text-decoration: none;
+            color: var(--text-color);
+            transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
+        }
+
+        .gallery-item:hover {
+            transform: translateY(-5px);
+            box-shadow: var(--shadow-lg);
+            cursor: pointer;
+        }
+
+        .gallery-item img {
+            width: 100%;
+            height: auto;
+            border: 1px solid var(--grid-border);
+            border-radius: 0.25rem;
+            image-rendering: pixelated;
+            image-rendering: -moz-crisp-edges;
+            image-rendering: crisp-edges;
+        }
+
+        .gallery-item .caption {
+            margin-top: 0.75rem;
+            font-weight: 500;
+            font-size: 0.9rem;
+            text-align: center;
+        }
+
+        .gallery-message {
+            grid-column: 1 / -1;
+            text-align: center;
+            color: var(--subheader-color);
+        }
+
+    </style>
+</head>
+<body>
+
+<div class="main-container">
+    <header>
+        <h1>Pixel Art Gallery</h1>
+        <p><a href="./draw.html">Back to Drawing.</a></p>
+    </header>
+
+    <div id="gallery-grid"></div>
+</div>
+
+<template id="gallery-item-template">
+    <a href="#" class="gallery-item">
+        <img src="" alt="">
+        <span class="caption"></span>
+    </a>
+</template>
+
+
+<script>
+    document.addEventListener('DOMContentLoaded', async () => {
+        const grid = document.getElementById('gallery-grid');
+        const template = document.getElementById('gallery-item-template');
+
+        grid.innerHTML = `<p class="gallery-message">Loading frames ...</p>`;
+
+        const response = await fetch('/gallery_frames');
+        if (!response.ok) {
+            grid.innerHTML = `<p class="gallery-message">Could not load frames</p>`;
+            return;
+        }
+
+        const images = await response.json();
+        if (images.length === 0) {
+            grid.innerHTML = `<p class="gallery-message">No frames found</p>`;
+            return;
+        }
+
+        grid.innerHTML = '';
+
+        images.forEach(image => {
+            const clone = document.importNode(template.content, true);
+
+            const link = clone.querySelector('a');
+            const img = clone.querySelector('img');
+            const caption = clone.querySelector('.caption');
+
+            link.href = '#';
+            link.addEventListener('click', async () => {
+                await fetch('/load_frame', {
+                    method: 'POST',
+                    headers: {'Content-Type': 'application/json'},
+                    body: JSON.stringify({"src": image.src})
+                });
+            });
+            img.src = image.src;
+            img.alt = image.alt || image.caption || image.dt;
+            caption.textContent = image.caption || image.dt;
+
+            // Add the populated clone to the grid
+            grid.appendChild(clone);
+        });
+    });
+</script>
+
+</body>
+</html>
diff --git a/main.py b/main.py
index 6a90cb6..9d8e085 100755
--- a/main.py
+++ b/main.py
@@ -1,5 +1,8 @@
 #!/usr/bin/env python3
 
+import base64
+import datetime
+import io
 import json
 import logging
 import math
@@ -8,15 +11,18 @@ import subprocess
 import threading
 import time
 from collections import OrderedDict
+from pathlib import Path
 
+import PIL.Image
 import bottle
-import numpy as np
-import serial
 # noinspection PyUnresolvedReferences
 import bottle.ext.websocket as bottle_ws
+import geventwebsocket.websocket
+import numpy as np
+import urllib.request
+import serial
 # noinspection PyUnresolvedReferences
 from bottle.ext.websocket import GeventWebSocketServer
-import geventwebsocket.websocket
 
 import config
 import filters
@@ -507,7 +513,7 @@ def pixel(x, y, r, g, b, w):
     data.buffer[y][x][2] = b
     if data.channels == 4:
         data.buffer[y][x][3] = w
-    runner.datasource.pushData(data)
+    runner.app.datasource.pushData(data)
     return "ok"
 
 
@@ -558,6 +564,61 @@ def frame_ws(ws: geventwebsocket.websocket.WebSocket):
             runner.app.datasource.pushData(data)
 
 
+@bottle.route("/save_frame")
+def save_frame():
+    screenshot_dir = Path("./screenshots")
+    screenshot_dir.mkdir(parents=True, exist_ok=True)
+    data = runner.datasource.getData()
+    PIL.Image.fromarray(data.buffer.copy().astype("u1")).save(screenshot_dir.joinpath(f"frame-{datetime.datetime.now().astimezone().replace(tzinfo=None).isoformat()}.png"))
+    return "ok"
+
+
+@bottle.post("/load_frame")
+def load_frame():
+    src = bottle.request.json["src"]
+    buf = np.array(PIL.Image.open(io.BytesIO(urllib.request.urlopen(src).read())), dtype=np.uint8)
+
+    if buf.shape == (80, 40, 3) or buf.shape == (80, 40, 4):
+        buf = buf.swapaxes(0, 1)
+    elif buf.shape == (40, 80, 3) or buf.shape == (40, 80, 4):
+        pass
+    else:
+        return 415
+
+    if runner.app.name != "pixelcanvas":
+        startApp("pixelcanvas")
+        for _ in range(200):
+            if runner.requestedApp is None:
+                break
+            time.sleep(0.01)
+        else:
+            return 500
+
+    runner.app.datasource.pushData(Frame(buf, buf.shape[2]))
+    return "ok"
+
+
+@bottle.route("/gallery_frames")
+def gallery_frames():
+    screenshot_dir = Path("./screenshots")
+    if not screenshot_dir.exists():
+        return []
+    frames = []
+    for p in screenshot_dir.glob("frame-*.png"):
+        try:
+            dt = datetime.datetime.fromisoformat(p.stem.removeprefix("frame-")).astimezone().astimezone(datetime.timezone.utc)
+            i = "data:image/png;base64," + base64.b64encode(p.read_bytes()).decode()
+            frames.append({
+                "dt": dt.isoformat(),
+                "caption": dt.strftime("%d.%m.%Y %H:%M"),
+                "src": i,
+            })
+        except:
+            continue
+    frames.sort(key=lambda f: f["dt"], reverse=True)
+    return json.dumps(frames)
+
+
 @bottle.route("/")
 def index():
     return bottle.static_file("index.html", root='html')
diff --git a/setup-apps.sh b/setup-apps.sh
index 9f2e725..ad5ca64 100755
--- a/setup-apps.sh
+++ b/setup-apps.sh
@@ -23,20 +23,20 @@ if hash cargo 2>/dev/null; then
     # get juergens apps
     mkdir -p external
     pushd external
-    if [ ! -d "pixelfoo" ]; then
-        git clone https://git.chaospott.de/juergen/pixelfoo.git
+    if [ ! -d "pixelfoo-apps" ]; then
+        git clone https://git.chaospott.de/starblue/pixelfoo-apps
     fi
-    pushd pixelfoo
+    pushd pixelfoo-apps
     git pull
     cargo build --release
     popd
     popd
 
-    cp -f external/pixelfoo/target/release/cnoise apps/
-    cp -f external/pixelfoo/target/release/bimood apps/
-    cp -f external/pixelfoo/target/release/predprey apps/
-    cp -f external/pixelfoo/target/release/maze apps/
-    cp -f external/pixelfoo/target/release/dualmaze apps/
+    cp -f external/pixelfoo-apps/target/release/cnoise apps/
+    cp -f external/pixelfoo-apps/target/release/bimood apps/
+    cp -f external/pixelfoo-apps/target/release/predprey apps/
+    cp -f external/pixelfoo-apps/target/release/maze apps/
+    cp -f external/pixelfoo-apps/target/release/dualmaze apps/
 fi
 
 #echo "Getting mathpixel"