BootXChanger
BootXChanger will not change the background colour of the boot screen, so the background of your images must be the same (#BFBFBF). This is done so it won’t spoil the spinner animation. For the same reason, there is a limited number of colours your image can use. If your image has too many, it will be reduced and probably look ugly. If this happens, you can try saving the image in GIF or PNG-8 with Photoshop, and making sure it uses 100 colours or less.
