Create Three Military Science Fiction Illustrations for a Boardgame.

I need side views or three different science fiction hover tanks. These tanks should be gritty and realistic. Ultimately, they will be used on 1" counters. If you have never drawn military science fiction equipment do NOT apply. Here are the specifics of the drawings. The light, smuggler-type Tank should look very sleek and aerodynamic. I'm thinking something that's much longer than it is tall. More like a personal, one-map, spaceship than a Tank, really, but with a prominent gun/cannon that makes it, arguably, a tank. All of these light Tanks are named after snakes, eels, and other fast, slippery, thin things. The medium tank should look somewhat blocky and bulky. Think of the medium/main battle Tanks as being something recognizably close to a "real" tank (i.e. German Leopard II, Merkava, Abrams) , only instead of treads it has some kind of hovering apparatus. All of the Medium tanks are named after types of cannons if that's any help. The Heavy Tank should be truly monstrous. Not ugly or haphazard, I still want something that's well designed, but Bigness and Bulk should be emphasized. Think of something like the OGRE Tanks in the game OGRE and you wouldn't be too far off. All of the Tanks using this illustration are named after huge legendary monsters such as Tiamat. Finished files must be submitted in 300 DPI Photoshop Files.