Twitcaps scans all of Twitter for images and let’s you search, browse or capture them.
From the Twitcaps interface, you may capture an image for later use, re-tweet the image on your own Twitter feed, or share the image on any number of social linking services.
Twitcaps currently supports ~7 of the image serving services to Twitter, which was most of the main ones anyone uses. All of the standard Twitter search terms apply when looking for images and you can then capture them and retweet them in your timeline (it will then use Twitpic to do this). Floating your mouse over any image pops up the tweet itself and who sent it. If they add in the ability to follow that person, that would be a bonus.
Recent trends are shown in the upper right, giving you a quick view on events as they take place. This becomes a unique way to see everything pictorial around an event, instead of all the commentary mingled in.
You can authenticate to view friends current caps or browse the public stream via RSS. Basically this is a viewing window into the world of Twitter images.