Here are some flora and architecture pics that I got while in Puerto Rico.
I think they might be of some use... especially the tree. It's called a Flamboyan, and they vary in color: red, yellow, blue, and purple. They are so beautiful among all the green trees.. they really pop out.
https://s210.photobucket.com/albums/bb132/Skorm360/Pics%20of%20PR/