The Maryland Governor's Redistricting Advisory Committee allows Third Parties to submit Congressional and Legislative District plans. You can see the link here:
http://www.mdp.state.md.us/...
A Congressional Plan has been submitted that creates an additional minority-majority seat for the state. You can see all of the maps and data for the proposed districts via these links:
http://www.mdp.state.md.us/...
http://www.mdp.state.md.us/...
Sorry for the extremely short diary, but the links above convey all of the information relating to the proposed map.