for instance, the smaller the cylinder, the fewer sides it needs. Like the barrels of the guns, depending on how big they are supposed to be in-game can be just 3 sided. The wheels can polly be 6 sided and such. and other thing sof that nature. contact me on msn and I may do more than give you pointers.
still to high you have to try to get it below 1000 most generals units are 300 at the lowest and 800 at the highest anything above that is not recommanded