Ok, now we all know how some people dont mind making themselves look like the biggest Ãœber geeks on the net but here is some guy going further to acheive this than most. (see pic on right! :-)) 
Ignore the cheesy, geeky theme of this tutorial and you get an excellent bit of advice on how to do some great effects with photoshop.
Well worth looking at – it is just a shame about the guy thinking styles from 1956 are still acceptable (not to mention his toy lightsaber). He could have at least dressed up for the occasion. 🙂