Check these out for tips, techniques, and just plain demoing of Copic coloring.
Copic Watercolor Background (for Splitcoaststampers)
Coloring Foliage - MIC Blog
Creating Gradients - MIC Blog
Undertones in Skin - MIC Blog
Coloring Pale Colors - MIC Blog
Video Tutorials - My YouTube Channel
Copic Colorless Blender Bleaching (SCS Tutorial with Video Demo)
How to Color with Copic Markers (Live interview and coloring demo with Julianna Hudgins)
How to Make a Shadowbox (Splitcoast Tutorial for Daily Window)
Speed Coloring - (Make It Crafty Image)
Are there things you'd like to see? Leave me a comment and I'll see what I can come up with.