Well here's my entrance into the dark side of the forums.
This is Tamiya's 1/48 M4A1 Sherman. Being built OOB. I did scratch build the turrent interior but couldn't get a good shot of it. I airbrushed the tank OD first, then airbrushed my own mix of white and light gray. I then took an exacto knife and started scratching away.
The weathering was done by taking real dirt and wetting it. I then applied it liberally to the lower hull and the bottom of the upper hull. When that dried I dry brushed Testors Flat Tan paint to give the look of dried mud.
I still have some touching up to do but other than that it is pretty much finished.
Comments and criticism welcome.