no i mean on the glass material as a collor, you add durt in with photoshop or layered nodes.

If your not going to model it, then you just apply an photoshop texture. Thou i think to get the...

i would extrude the edges first like in the attached image.

then apply the collors with a durt map on them. and an extra durt map on the specularity and bump.

and the collors give them a slight...

starting to look very cool man, keep up the great work.

looks very good, no comments at the moment