diff --git a/zoneb/bin/data/gradient.jpg b/zoneb/bin/data/gradient.jpg
new file mode 100644
index 0000000..defb5ae
Binary files /dev/null and b/zoneb/bin/data/gradient.jpg differ
diff --git a/zoneb/bin/data/gradient2.jpg b/zoneb/bin/data/gradient2.jpg
new file mode 100644
index 0000000..4a3b86b
Binary files /dev/null and b/zoneb/bin/data/gradient2.jpg differ
diff --git a/zoneb/bin/data/gradient3.jpg b/zoneb/bin/data/gradient3.jpg
new file mode 100644
index 0000000..0b8dece
Binary files /dev/null and b/zoneb/bin/data/gradient3.jpg differ
diff --git a/zoneb/bin/data/shaders/particles/draw.frag b/zoneb/bin/data/shaders/particles/draw.frag
index 0bd2880..bda1ce3 100755
--- a/zoneb/bin/data/shaders/particles/draw.frag
+++ b/zoneb/bin/data/shaders/particles/draw.frag
@@ -16,5 +16,5 @@ void main()
     // fragColor = vec4(1);//vec4(texture(u_world, texCoordVarying.st).rgb,1);
     // fragColor = vec4(texCoordVarying.st/100,1.0,1.0);//vec4(texture(u_world, texCoordVarying.st).rgb,1);
     // fragColor = vec4(texture(u_v4l2cam, texCoordVarying.st).rgb,1);
-    fragColor = vec4(texture(imageTexture, vec2(vTemperature*1024, 0.5)).xyz,max(0, 1 - pow(vAge,4)));
+    fragColor = vec4(texture(imageTexture, vec2(vTemperature*1600, 0.5)).xyz,max(0, 1 - pow(vAge,4)));
 }
diff --git a/zoneb/src/ofApp.cpp b/zoneb/src/ofApp.cpp
index c137ee3..ada2ecc 100644
--- a/zoneb/src/ofApp.cpp
+++ b/zoneb/src/ofApp.cpp
@@ -78,7 +78,7 @@ void ofApp::setup()
   fbos.insert({"ofcam", ofFbo()});
   fbos.at("ofcam").allocate(ofGetWidth(), ofGetHeight(), GL_RGBA32F_ARB);
 
-  gradient.load("gradient.png");
+  gradient.load("gradient.jpg");
 
   // 1,000,000 particles
   unsigned w = 512;