3D Models, Texturing.

Hello all, I am using Blender and I want to texture my model, yet I don't know how, I have read the Blender tutorials but I want it to be compatible with Torque Game Engine. An example of what I am looking for is similar to this one....http://www.garagegames.com/index.php?sec=mg&mod=resource&page=view&qid=13555

I want to know how to texture my sword model like that, if anyone knows can you please help me.