Here is a YouTube collection of videos from a fellow, tha covers all sorts of things;from using a PE bending tool, to pre-shading, to shading panel lines, applying decals, etc. The examples he uses are on model aircreaft, but there are things that can be used in all aspects of modeling.
http://youtube.com/profile_videos?user=hyperscale (http://youtube.com/profile_videos?user=hyperscale)
Marc
Looks real interesting! Keep them coming, Marc.
-Younger