BM Custom Login doubling site logo!

Hi community, I have a question about the BM Custom Login plugin. I have it installed on my site (beta.massmosaic.com). It is doubling the logo on the login screen. I’m bet it is a simple fix but am new to .php and need help!!

Here’s a screen cap:

https://beta.massmosaic.com/wp-content/uploads/2012/03/Screen-Shot-2012-03-16-at-11.52.08-PM.png

Thank you in advance everyone!