Splash Screen Flasher and Image Converter Tool
Want to put a new splash screen on your Android device? Have the image you want to use but it’s not in the right format? Take a look at XDA forum member TrueBlue_Drew‘s simple tool/script for converting image formats and flashing new splash screens.
The script can convert jpg, png, and bmp files into the format required for the splash screen on your device. It can also be used to a make a copy of your current splash screen or convert a splash screen image into a png for you to edit. Lastly, the tool also lets you flash the new image.
The dev states that all the methods etc used in the zip can found here on XDA.
The tool works on PCs running Windows XP or higher, your device needs to be rooted with S=OFF and your image will need to be sized at 480 x 800.
For more information and to download the tool, head on over to the forum thread.