I submitted a request to have Bitstar added to  - http://www.shapeshift.io

This service would allow for very quick Doge/LTC/BTC/Dark/Peer conversion in and out of Bitstar. No account/sign-up is needed.
It would be interesting to hear the Bitstar devs thoughts on this service including an in-wallet version.

Shapeshift.io contact info  - https://twitter.com/ShapeShift_io
                                    - mail@shapeshift.io

https://bitcointalk.org/index.php?topic=717973.0

Edit- I did receive a reply from Shapeshift. Their response was - they are working
hard to add cryptos they deem to be a priority.