I've been going through some older stuff, and I found a few "unpublished" works, which I'm posting for you as-is, un-edited, in all it's glory.
The Painting Stages of the ToolStrip RendererDiscusses the ordering of calls to the layers of the toolstrip renderer so you know what to override if you want to make a custom renderer.
Building a TabStrip from a ToolStrip (sample)Discusses how to tweak the layout and painting of your toolstrip in very advanced ways to make a tab control. Also discusses how to add some designer features.
Using TableLayoutPanel Walkthrough Ooops! Guess what I forgot to add to the password dialog box... oh well, at least you'll see how to fiddle with columns and rows.