Secrets is a (free!) preference panel which has collected a bunch of these settings and made changing them as simple as checking a box or choosing from a drop-down panel of possible choices. It includes settings for about 40 different applications, from Apple applications such as Mail, iCal, iChat, Finder, Front Row, Keynote, DVD Player (and more) to third-party applications including Adium, Audio Hijack Pro, BBedit, EyeTV, VMware Fusion, and TextMate (just to name a few). Some applications have a lot of hidden settings, and some have only one or two.
If you see a setting but don't know what it does, click it and Secrets will show a brief explanation (these are also available on the Secrets website, but they are ...Read the full article