Skip this post if you don't program for ti83/84+
This toolkit is able to do some basic operations on bmp, pbm and 8xi images. (conversion to 8xi, 8xp z80 assembly wrapper and .db z80 statements)
Atm only 96x64 images (the screen size, duh), monochrome
It is extensible with java plugins. I don't have the necessary source files here to craft them up, but I'll post these ASAP.
The programs are linked with my very own JLink program.
EDIT: the links: