will have to try some of these.

[Cdnwolf]

http://foodstorageandsurvival.com/25-diy-weekend-preparedness-projects/

[weswood]

I did #9, making a bow out of PVC. I followed this guy's plan http://www.youtube.com/watch?v=dQfV05Yo_pY and ended with a bow that pulls 40 pounds at 25" pull (I'm a short guy with short arms).