Here are all important links:
http://lmms.io/forum/viewtopic.php?f=1&t=4740
-A few rules and useful forum instructions
If you like to introduce yourself, to the community, go here:
http://lmms.io/forum/viewtopic.php?f=4&t=4480
Your derivative rendered projects are YOURS, and you can do what you want with that.
You can however not render all or any separate samples and call that 'a rendered project'!
The licence is this:
https://docs.lmms.io/user-manual/8-legal/8.1-license