Need help I.D.ing these Earth-Eaters.

[flowerpower]

Sorry for the bad pics. Taken with my cam phone and the water's cloudy from them constantly sifting through the clay substrate in the tank. Hope these shots are not too blurry. I'll take some with the camera tomorrow.
I must say that I'm very impressed by their behavior. Making me think again about keeping earth-eaters.

 

[flowerpower]

These pics are really atrocious but the third might be useful. There about 2" and the males have little red humps, very cool.

 

[abarilot]

Geophagus steindachneri (aka red hump geo)

 

[japes]

Geophagus steindachneri (aka red hump geo)

As above, although if you want to be really specific they're 'Geophagus' steindachneri.

 

[flowerpower]

Thank you guys. Japes, just saw your picture thread. Beautiful fish!