What's the best way to arrange large and small photos on our wall?

Here's some good tips Kathy! I like to lay out the pictures on the floor or a table and play around with the arrangement until I like what I see. I take a picture of the arrangement with my phone before I start hanging the pictures to help guide me.

https://www.wikihow.com/Arrange-Pictures-on-a-Wall

https://www.shutterfly.com/ideas/family-photo-wall

https://www.youtube.com/watch?v=Ih78EODNd5k

Try using a narrow trim ledge or gutter material . Look up gutter shelves !