Training is an essential part of the development of an actor.  Hell, anyone can stand in front of a camera or an audience and smile.  Here are links to some of the companies/studios I have trained with or recommend you seek out:

The Larry Moss Studio (Los Angeles)
http://www.edgemarcenter.org/index1.htm
The Studio Theatre Acting Conservatory (Washington)
http://www.studiotheatre.org
Wooly Mammoth Theatre Company (Washington)
http://www.woollymammoth.net/outside/theatreschool.html
On Camera Training with Brenna McDonough (Washington)
http://users.erols.com/oct

Headshots are key. Plain and simple. Here are a few photographers I have worked with and recommend.  Roy is out of Baltimore, Claire is based out of London and DC, LACC and Matthew are based out of L.A. All can
be reached through their sites.

Roy Cox Photography:
http://www.4-optic.com
Claire Newman Williams:
http://www.clairenewmanwilliams.com
Matthew Peek:
http://www.photosbymatthew.com/index.html
L.A. Casting Couch (Brandi)
http://www.laccheadshots.com/

Here are a couple great resources for actors to help in finding opportunities:
http://www.nowcasting.com
http://www.actorsaccess.com
http://www.actorscenter.org

Do you like my website?  Interested in one of your own for personal or professional use?  This is the site for the company that designed my site. They are wonderful to work with and are a great resource for individuals as well as businesses. Ask for Justin.
http://www.marketingcaddie.com

Perhaps the greatest team ever created (even if they are struggling mightily):
http://www.washingtonredskins.com