MU Global Footer plugin help please!??

Hi, i've installed the global footer plug in for MU and have successfully placed a global footer on all blogs however it still includes the "Powered by WordPress MU and WP.MU"

and also the "My Chiroblog is proudly powered by WordPress MU running on Dr. Sadovnik's Free ChiroBlogs. Create a new blog and join in the fun! "

how do I edit those out?

Thanks!