Some essentials on DOP (Depth of focus)

http://www.creativepro.com/story/feature/25485.html

Also keep a watch on this site for good tips:
http://www.completedigitalphotography.com/

MOTO SLVR L7

These sites will give you explanations on what you need to install themes/skins

http://forum2.mobile-review.com/showthread.php?t=16917
http://www.66mobile.com/how-to-install-themes-skins-on-motorola-phones.html
http://www.slvrhackers.net/home/index.php
http://www.motomodders.net/
http://www.themotoguide.com/