This is how to post images to your forum post And read this thread for your problems with the cylinder. this is an example of the problem I think you are having. "not enough geo" means not enough polygons.
for example the far cry 3 have the complete m1911 model with animations and sounds, so i want try to put my model in it (i don't know yet standard it or physically based, i have not yet worked with game engines)
You should straighten up your islands so major shape lines in the mesh are straight in the uv. Otherwise you will need multiple pixels smudged together to get a straight line rather than just 1 pixel width lines (or the ability to do so) Your stuff will appear crisper and you will be able to edit it later much more easily.…