Just finished my first gallery wall, and I love it! I printed the images from the New York Public Library that I talked about here on my printer at home. I picked up frames at Michaels; they came in two packs for $7 a pack. I also had to buy the mats for $3 a piece. The entire project only set me back $40.
I framed all of the pictures and then set them out on the coffee table to make sure I liked the way it would look.
I was trying to pair three pictures from one grouping with three pictures from another but decided after seeing them together to stick with one grouping. This is the result: