Boy, lots of talking today! I just hate when work gets in the way of my DISing!
It sounds like there are 2 distinct swaps that there would be interest for -
#1 - Where you swap out items you already have but don't have a use for (Like me and my kiddie play area items and MichellePooh and her exotic restaurants

) and
#2 - Where we make new elements for attractions we are missing from our collection. There are definitely underrepresented attractions. TTA, COP, Tom Sawyer, Liberty Belle Riverboat - just to name a few off the top of my head for MK I'd like to have.
For #1 - Shauna if you want to set that up, that'd be great. I just wonder how would it work exactly? We could all post pictures of what we'd like to offer, but how would the choosing/"shopping" be fair?
For #2 - I was stumped at first about how to decide what attractions would be included so everyone's happy and then I had an idea. Does anyone remember the Resort Swap from last summer? Plagued as it was, it was actually one of my favorite swaps to work on because of the small groups and large variety. Each resort was included, and the group size varied depending on interest -from as small as 3 to a max of 10. That way you got at least a little bit of everything you wanted to sign up for, and just more elements for some resorts than others. So what if everyone who wanted to join this swap submitted their "Wish List" for attractions, then people chose whatever groups they wanted to work on. Even if you had a group of 2 for something, it's still 2 more elements than you have right now. Because we're talking about a single attraction, we'd probably keep the groups small - no more than 4-6. Then you'd end up with kind of a de facto page kit. Anything is up for grabs - extinct attractions, whatever you'd like to get. How does that sound?
At first I liked the Trading Elements idea, but it would be a logistical nightmare to match up the "opposite" groups.
Goddess - when would this fit on the calendar? If this turns out to be a monster list and freaks like me want to join a bunch of spots, maybe the turnaround time could be a bit longer - like 2 months?