Half-Life: Source Enhanced is an HD replacement pack for the default Half-Life: Source content. This includes models, materials, and map textures. Not to mention the other content that is also released in this mod.
Ignore the HUD in this image, I was experimenting with something and it messed up my HUD.
I remember this- isnt this the first time you see an alien grunt? Well it was really scary when I first saw it, I was expecting hound eyes XD
Bumpmapping?