Screencasts are very popular at present, and for obvious reasons; there’s no better way to demonstrate the features of some software you’ve written, or to learn more about software you own.
Here’s a new one by Allan Odgaard, the creator of the TextMate editor, which regular readers will know is one of my favourite pieces of Mac software. This one shows you some of the handy facilities for editing HTML in TextMate.
The best way to keep up with new hints is through the TextMate blog.