What to do with duplicate and extra photos?

I accidentally printed duplicates of some photos, most of which aren't all that special. I'll probably just throw them out or stick them in a box never to be looked at again, and I know the friend I could give them to would do the same.

Does anyone have any creative ways to use duplicate pictures?

I was thinking of doing a 3D look for one of them, it's a picture of a car in action, so I think it would be a cool effect. Most of the other pictures are of a road trip I took. There's a picture of a friend in a winery, some pictures of us in front of some murals and statues, some on a hike.

I'm also curious about what you all do with the pictures that get printed but end up not getting scrapped. I print out pictures before I am ready to scrap them, otherwise I would never find the time or energy to do it. I try to be mindful of which pictures I want to print and scrap but sometimes it gets away from me and I end up with too many pictures from one particular event and they don't all fit in my layouts.

My current idea is to put them in a 12x12 page with 4x6 pockets in the back of my scrapbook, maybe adding in some colored paper with stickers as a half-assed scrapbook page.

What do you suggest?

Thank you in advance :) sorry if I don't reply, I've got a busy day ahead of me but I wanted to get this off my mind and have all of the replies to look forward to for later!