I have made a theme for Tetriabetes. The current version is 1.39.
Credit to dragula96 for the original game.
Also, I haven't thought of a name for the theme, but if you have an idea, feel free to suggest one.
*Note, this theme package only contains the images. So if you don't have the original game, [click here].
How to install:
Unzip the archive and copy the "IMAGE" folder to your existing Tetriabetes folder on your PSP