So here is what I'm starting out with:

I may cut the lemons in half or in slices. We also decided the vase might need a ribbon or something. I also want to add height, which is the big question! We're still trying to stay cheap...
I bought some gladiolus--the rest of the family says it reminds them of a funeral. Here's an example--keep in mind we would only do 3 stems per vase to keep costs down:

My mom also found these willow branches--I like these too.
http://www.save-on-crafts.com/branchsalix.htmlWhat do you think?