Photoshop effects.

http://speckyboy.com/2009/02/25/28-incredible-photoshop-image-manipulation-techniques-and-tutorials/
http://www.hongkiat.com/blog/41-nicest-photoshop-photo-effects-photoshop-tutorials/
- These two sites have some fantastic effects tutorials that we could use. The dripping pencils one is personally one of my favorites that would make a fantastic result if done much darker. (Some examples with effects I particularly liked)