I thought I posted this link earlier, but maybe that was on another blog. The animated Hebrew Jonah Comic strip is a terrific tool for learning Hebrew. You have to download Shockwave to run it, but you only have to do that once. You can then play the comic strip online or download it.
The cartoons include sound, and the letters can be displayed in printed Hebrew, cursive, or archaic script. In addition, you can display a translation at the bottom of the page in any of several languages.