Smite bow is a custom plugin that I made for my friends server, but I decided to edit some things and make it public to you guys!
To use Smitebow, all you need to do is install it and edit the permissions. Permissions are:
(Permissions will be changed to superbow.*)
The Smitebow recipe is a shapeless recipe, so put a bow and a snowball anywhere in your inventory crafting or a workbench and it should work (the bow icon doesn't always show up).
If you didn't see the command you wanted, click below:
http://bit.ly/achmedimprovement
Go right ahead! if you found a bug, you may post a ticket! I do have verified bug testers, and the bugs they find will have high priority, and but posted! :) hope this helps!