Hi: I'm new, but I'm hoping I can help (because I will have a lot of questions for yall next).
I am sure that your wedding planner can help you with a cake idea if you have one. Otherwise, check this link:
www.quequesdeboda.shutterfly.com
They have photos on this site and looks like they can do anything. I guess you could just send them a photo.
HOpe this is helpful and I look forward to swapping ideas with you guys!