This kernel posted by Sirkay will mount the sd-card from recovery:==Known Bugs==
- Mount sd-card from recovery doesn't work
- With "on screen button enabler" menu icon is to high on start screen.
- Other, report them and I will try to fix them as soon as possible[/SIZE]
http://forum.xda-developers.com/showpost.php?p=23126500&postcount=98