"Always-fresh" releass of dasBlog are available from http://www.paulvanbrenk.com/blog/bits. These builds are made from the subversion head hourly. The current move to .NET 2.0 means the tree is in heavy development, so these may not be the most stable, but are the most recent.

If you want to make a contribution check out this article by Scott Hanselman, about contributing a patch to dasBlog.