TwiPho is a search engine for finding pictures shared across Twitter from some of the bigger sites like Twitpic, Img.ly and yfrog. The homepage is a simple search box with some suggested searches below to get you started.
What you get in results is very eye pleasing. The images come up in their own thumbnails (framed) and when you hover over them you have some actions:
- view original tweet
- view full size
- email to someone
The frame shows the image source as well as the tweet that came with it, if any. It was very appealing and provided good functionality. I am not sure how far back the results will go, bu I did get a nice sample on all my test searches.
The settings icon lets you limit the results to one of the pic services and the help says they even support viewing this on the iPhone and iPod Touch. Great work.