This can teach you how to actually make custom normal maps to go with your models. It's not as hard as you think. You just need Photoshop, and to download the NVidia normal map converter plug-in, and the link to get it is provided. It's free btw. smile You'll love it. I do!

http://www.moddb.com/tutorials/building-essential-texture-maps-for-material-shaders-using-photoshop