You may have tried this, but I usually just stick a texture of almost pure rust under my 'top' metal layer, put a slight inner shadow on the top layer and add a mask, then use one of JohnnySix's grime/filth brushes to rub away the metal to 'reveal' the rust. If you play with the layer FX on the top layer, you can get a…
I'm having a hard time at the moment finding certain types of textures, such as rusted metal panels for use as base textures. The usual haunts, such as CG Textures and the like, are all coming up a little bit empty in this area. I've found myself making many a mask to simulate rust build up (Which of course helps with…
I don't know, cgtextures has nice rust collection, and just googling "rust" results in passable stuff that can be manipulated into pretty much anything. Container looks nice, you just need to make sure scale is right and it respects form underneath. Maybe bake curvature/cavity maps or manipulate AO to serve as mask for…