Here's the Democrats who have filed so far:
LA-01: Stacey Tallitsch
LA-02: Regina Bartholomew, Troy Carter, Rep. William Jefferson, Vinny Mendoza, and Derrick Shepherd
LA-03: Rep. Charlie Melancon
LA-04: Artis Cash and Patti Cox
LA-05: Gloria Williams Hearn
LA-06: No Democrat filed
LA-07: Mike Stagg
Filing information can be accessed here.
Republican Congressmen in Louisiana include Jindal (LA01), McCrery (LA04), Alexander (LA05), Baker (LA06), and Boustany (LA07).
More info is under the fold
A Google search tells me that the Patti Cox who filed is probably the Shreveport-based environmental consultant.
I'm pretty sure that Gloria Williams Hearn is mentioned in this article.
As for Richard Baker's district, here's a map for you all.
And here's the information for filing in Louisiana.
In short, it'll take $600 to the Secretary of State and $300 to the state party, or 1000 signatures in one day.
More filing info.
How about a 7 for 7 showing in Louisiana?