[mrwhite]

I get the following message, when i try to use Rebuild as an external tool: Could not detect versions.

I tried to compile mymodule with rebuild using the commandline and it worked. I am using Eclipse 3.2.1 on a windows machine.

Any suggestions?

[JViz]

You're probably missing a folder in your PATH env var. If you're on windows XP:
Go to your control panel -> System -> Advanced Tab -> Environment Variables -> User Variable section -> PATH, and then add the bin directory for DSSS/rebuild (and DMD if you need it too).