replace unwanted reflections with something related to the purpose of the portrait.
Replace reflections before other post processing so that all effects will also carry over to the glasses.
I cleaned the subjects finger nail also. I like the grunge look, but a man in a suit needs to look groomed.

forum discussion: http://forums.dpreview.com/forums/read.asp?forum=1006&message=28026988

original image by Marcos: