Maybe you didn't like the grey Sidebar icons in OS X 10.7? Chances are you installed SIMBL Colorful Sidebar to try and fix it. Maybe you recall there was an issue: you had to relaunch the Finder after logging in. The app has been rewritten and updated (no longer a WorkFlow app), and It has been packaged into an installer which handles the dirty work of enabling it.
The new installer will:
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