Quote: "NO this is not possible unless you want to remodel the whole thing form scratch there is no easy way to do and you where right veyr noobish question"
*cough*slap*cough
Do excuse that rude explination, you kind of get an idea of how serious his answer will be as you look at his location...
Anyway... you would require a modeling program
(i would suggest blender3d) but these take years to get to the standard of the modelpack makers.
Still, worth looking at, your gonna want to look at it as everybody needs to start modelling at some point