http://codysherman.com/tools/infinite-scrolling-->
Nothing ground-breaking in this article on Mashable but useful for the newcomer. The most important take-aways for designers:
My own Twitter profile has a customized background that gets its color cues from my main blog. When picking themes and designs, it’s good to have a look-and-feel that follows your other sites. Here’s a page of unique designs which shows you how you can break out of the Twitter box.
One of the best uses of a Twitter account is to help drive traffic to a Facebook Fan Page and you can do this by having your tweets point to relevant pages on your Facebook profile (videos, links, events). I use http://bit.ly for my linking because of its good analytics. Many of us continue to use Twitter for its original purpose of sharing useful tidbits with friends, but if you are using it for publicity, you should consider how your tweets can lead to ongoing relationships with your other online properties.