Added Splashscreen... (2 min of work, inclusive googling!)

Cube Control/makefile

 JAVAFILES = HelperUtility.java AnimationUtility.java Animation.java AFrame.java cubeWorker.java layerEditFrame.java Led3D.java Frame.java
 
 ifeq ($(TARGET),unix)
-INJAR = *.class *.png serialHelper
+INJAR = *.class *.png serialHelper splash.jpg
 RM = rm
 else
-INJAR = *.class *.png serialHelper.exe
+INJAR = *.class *.png serialHelper.exe splash.jpg
 RM = del
 endif
 

Cube Control/manifest.txt

 Main-Class: Frame
+Splashscreen-Image: splash.jpg