Uncomplex has tweaked Mailplane, its WebKit wrapper for Gmail, with a handful of minor fixes and improvements. Picture optimization in outgoing messages can now be controlled via AppleScript, dragged messages now disappear as expected, dragging images onto Mailplane's icon now optimizes pictures reliably, and keyboard shortcut functionality broken by Gmail changes has been restored ($24.95 new, free update, 19.9 MB)
Open a Finder Window with the App Switcher
If you don't have any Finder windows open and want to switch to the Finder and open a window in one fell swoop, bring up the app switcher with Command-Tab and tab over to the Finder icon. While still holding down Command, press the Option key, and then release the Command key. You're switched to the Finder, with a new default window open for you.