I've put up a custom build of NVelocity tailored to run inside Sitecore as a separate download here:
This is a custom build of NVelocity project,
tailored to run inside Sitecore CMS.
Original NVelocity had a couple of issues:
- It referenced signed log4net assembly that conflicted with the one in Sitecore distribution
- It was failing while trying to get its default properties due to a bug in RecourceLocator: dynamic modules where not supported
I needed a quick fix (it seems that nvelocity projects is not very active at the moment)
so I went with the custom build.