Here you'll find some useful tools that will help you create and modify your videos, allowing you to make the very best of Muvizu!
- Apect ratios of backdrops and the skydome
- Resources for 3D Modelling
- Resources for Audio editing
- Resources for Video/Image editing
- Resources for writing scripts or making story boards
- What you need to know about Copyright
If none of the products listed above are able to give you the extra "oomph" you're looking for to make your Muvizu video stand out the way you want it to, check out this list of freeware, open source, and commercial software for even more examples.
Have a read of http://www.muvizu.com/Forum/topic196-resources.aspx for more free software and resources you can use in Muvizu.