Old horseshoes made into hearts and hung love this. (What a great wedding gift this would be, especially if the people loved horses. Horseshoes have been said to be good luck. Wedding or no wedding, this is beautiful!
A personal favorite from my Etsy shop https://www.etsy.com/listing/609237659/really-cute-music-notes-2-eighth-notes
CRAFTS"DIY: western stirrup photo album is a great gift for someone who loves horses. You can even use it for your own home and have it on a coffee table or side table in your living room for guests to look through.