A Twitter bot that generates art. See it in action @tartbot.
It generates Twitter art through random patterns of special characters.
If you mention it, the bot will turn the picture in your tweet into Twitter art, or the message into circular (-c) or wide (-w) letters.
It also retweets #twitterart and #140art tweets with +100 retweets and favorites.
Uses Twython (https://github.com/ryanmcgrath/twython). Uses PIL (http://www.pythonware.com/products/pil/).