MyBB Community Forums

I'm looking for a way to build a custom swap list and integrate it into my forums.  This will be so users can build the list and then copy/paste the items they chose into their post.  Any other ideas to achieve this result are also welcomed.

(I'm totally new so you'll have to be detailed if you tell me steps)

Example of what I'm talking about:

Great idea, wrong forum. This should be submitted as a suggestion for either 1.8 or 2.0.