Use an overlay texture to create zombie skin in your images.
See all the steps on editing a regular hand into a zombie hand.
Get tips on turning your photo into a na'vi photo with this tutorial.
Make a colored button that appears 3D and has text.
This video shows how to put photos together in a fun and imaginative way.
Edit two photos together to create the appearance that someone is holding a twin of their own head.
Create a pure black/white image of a face, then border it with red (or other color of choice).
Sharpen photos in a way that produces less noise.
Combine different exposures of the same scene to create a single photo with a more over all balanced exposure.
Change a normal photo to a Sepia toned photo.