How to create a rotating news ticker?

Hi, I want to place a small java script, which rotates vertically, on my front page (approx 200 high x 160 wide) which has the latest headlines from my own blog. I want this to automatically update everytime I enter a new post, so it must work with my own rss.

The idea behind this is just a quick linking process for viewers.

Can somebody, recommend a mod or something that will achieve this?

Thanks Tezzer