GIMP Polaroid effect
Use GIMP to add a Polaroid effect to a digital photo (a HTML version is also available)

GIMP (JIMP) Icon tutorial
Dang I hate icon tutorials that make sphere icons with a speaker with a slightly annoying high pitched voice with crappy microphone quality on Gimp while pronouncing gimp jimp. I hate those tutorials. Luckily, mine isn't one of them. 0_0 or maybe it is. I respectfully revise my opinion.

GIMP tutorial: Glossy Buttons Part 1
How to make glossy buttons for use in Web design or graphical design, or whatever the heck you want to use them for. Enjoy, and please comment and rate.