I just HAD to point out this post in the Arduino forums I seen, this guy takes AMAZING pictures! And explains how, even answers all your uber questions. Good for newbs like me! :D Great writeout!
http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1229223885
None of this is mine, just had to make sure this was out there, especially for those up and coming bots! :)
Just an example below:
Here's his website as well, had to give him credit!