Check your Apple Address Book settings to make it work better for you.
A couple of ways to set Dekstop Pictures in Mac OS X.
The System Preferences CDs and DVDs pane allows you to set what your Mac does when you insert a disc.
Many people don’t know that the Finder has Preferences. Change some basics of how your Mac behaves.
When you hover over a spring-loaded folder in the Finder it suddenly pops open. If there are any other closed folders inside there and you hover over one of them that also pops open.