Place photos on a peg board. You can find a peg board at any office store or craft store; pin your photos on it with bright pins or subtle pins, whichever suits your personal style. Depending on the size of the peg board you purchase, you only need one or two nail holes in your wall, and you can easily change out your photos at any time.
Stick pictures to a framed chalkboard and affix the board to your wall. You can place the photos on the board with a piece of double-sided tape on the back of each photo, or you can purchase corner stickers in the scrapbooking section of any craft store. Write captions under your photos, or cover the entire board with your memories.
Cover an antique mirror with photos. The frames of old mirrors -- and new mirrors -- are often intricate and artistic. If you have no need for the mirror portion but love the frames, you can tape photos to the mirror, creating a collage to display inside the mirror's frame.