Move the ColorfulSidebar.bundle into the following SIMBL plugin folder:
Either login and logout of Mac OS X, or just kill the Finder through the Terminal to relaunch it:
2. I really dislike the way Lion relegates the Devices area (where icons for hard drives, mounted servers, etc. appear) to the bottom of the Finder sidebar. In Snow Leopard (a.k.a. 10.6) Devices were at the top of the Finder sidebar and I'm just used to finding them there. What makes matters worse is that I store a lot of favorite folders in my Finder sidebar pushing the Devices area even further down the list, often requiring a scroll down to see my external drives.
Hold Command and drag the items in the Sidebar to get your computer on top, where it should be.
3. I've created several Finder sidebar shortcuts for some of my favorite folders, etc. only to have them become unresponsive when the target folder gets moved or deleted. If you suffer from phantom aliases which seemingly can't be removed from Lion's Finder sidebar, Hybridair at MacRumors Forums offers this fix which works like a charm:
Click on the folder and drag it away from the sidebar
Before you let go of the mouse button, hold down the Command (?) key
Now that you’re holding down the Command (?) key, release the mouse button
The icon should will finally disappear from your sidebar in a puff of smoke
Have you discovered any Lion Finder tips? Share them in the TalkBack.