I keep finding these AMAZING little touches that are making my head spin. This one is gorgeous: DIY programs. The ones pictures look like lace, but it's not actually a lace fabric. The full instructions (they don't look all that complicated, really) can be found here.
How cool would it be to use an antique-looking ivory lace (similar to lace on bride's gown) on top of a more natural-looking brown fabric (like the one pictured) and then use ribbons in the accent colors? Wow. This would be a great keepsake and it would fit the chapel oh so well.