I needed a cheap light mech to use as cannon fodder. So I kitbashed a Flea battlemech from a toy Star Wars AT-DP, legs from a Gambit battlemech, and medium pulse lasers from a couple of Bellona vehicles. The Flea is basically a slow, squat, and up armored version of the Locust battlemech (one of a few 20 ton bug mechs). It is not exactly like the art work, but it is close enough for me. Just need to order supplies to cast up a handful of them.
Locust (20t), Flea (20t), Koshi (25t)