RookieDesigner shows you how to create smart playlists in iTunes

An excellent tutorial by Photoshopmama showing you how to retouch your photos to make your portraits more glamorous.

A good explanation of this often-used feature by snowdevil78

select the layer with the picture, press CTRL-T to put it into “transform” mode, click and drag the corner while holding the SHIFT key down, then click the little tick button to make the change permanent OR press the enter key on the numeric keypad, which does the same thing.