And to add on to what Tricxta said, never use solid white or black (make it a little lighter than the lightest white or the darkest black) They don't work well with the game.
I advise you to read this before doing any graphics for graal
http://graalmobile.blogspot.com/2010...uidelines.html |
This is incorrect, you can get away with using sold white and black easily on non-transparent images, but once you include transparency you have to manually exclude black and white from becoming transparent.