A container/footer problem - solved :)

[liars_dance]

I am using Mixit with a paid account. I have a niggling little problem with my layout - and I'm not sure if it's a footer thing or a container thing or something else altogether, but...

:



When what I want is this



i.e. no little white gap below the end of the sidebar. Is there any way I can do this? Any help much appreciated