Awesome tip: Way back when, I had an issue with having to double-click the rectangle tool to add rounded corners to a rectangle object in Flash. Not sure who told me at MM at the time, but you can simply hold the mouse button when inserting a rectangle on the stage and hold down the up or down arrow keys to adjust the rounded corners *real-time*!
Source: http://weblogs.macromedia.com/amusselman/archives/2005/09/add_rounded_cor.html
