Adding textures to models in Blender?

[BogdanM]

I've downloaded the Force Unleashed pack from [url=http://facepunch.com/showthread.php?t=1339877]FleetAdmiral1's Star Wars Model Links thread[/url] for a mod I'm trying to make. The models load well in blender, are already rigged and have textures. I only need to make some simple animation for them but I don't know how to add the textures to the model. I really hope I don't have to unwrap each model (which I have no idea how to do) to be able to use the textures. Any help would be greatly appreciated!