cm7 rooted nook, market not working, force closes...help?

I am new to the world of rooting. Yesterday I rooted my nook color to cyanogenmod 7 with clockworkmod. Everthing seems to work fine besides the market. I am not able to download apps, also my bf says that I should have have a back button, which I do not.

I have tried fixing permissions and...

cm7 rooted nook, market not working, force closes...help?