You can do whatever you want with this mod, so long as you: don't /make money from it, either directly or indirectly; don't claim it as your own; do credit "MrFancypants"; link to the Curse.com direct download page for this mod.

"Can I use this in a mod pack?" or "Can I do _____ with this mod?"

Always yes, provided you adhere to the aforementioned constraints.