Its huge! anyways the renders could use blending,it really simple and makeing it a decent size wouldn't hurt....
I Fixed it, at least it looks a little better so its not so big. Is a First but i will get better at editing soon.
for starters, its too big. You've also got a lot going on in your sig that you may want to tone down to one focus.
-Busts up laughing- Anyways, get GIMP. After you get used to thatm get PSCS3. Follow tutorials at gimptalk. Anways, it's ok for your first try.