I thought you were asking how to make a frappachino... What is fraps anyway? Some movie downloading thing?
One of the most (if not the most) popular programs for recording game footage.
I've used it, and I can say that it works well. The trial may not be worth it if you're actually trying to do something well. It's just that, a trial. You can try it out but you can't really produce anything meaningful with it. You can get by on the 30 second limit for each recording, perhaps quickly initiate a new recording as fast as possible to pretend that it's all continuous, but your work will still look rather poorly made if that http://i.ytimg.com/vi/d-Q6Rin7O7o/0.jpg (apparently I was beaten to the link by a single post

) is plastered over all of your footage.