Not sure about the style of your home.......so here goes.......add different shape mirrors in a collage on one side, all shapes.......round, long, square, oval. Keep to one color frame though, silver is always nice, but white or light would be lovely. Good wishes!

I would suggest doing a gallery of frames. It can liven up and space and make all of the difference. Best of luck!

Consider the lighting in the hall. If there is just one fixture in the middle maybe do a sleek small scale track light....and remember....ALWAYS USE DIMMER SWITCHES. The cans can then be directed at those frames from Design Elements suggestion....or straight down if using the mirror idea from Simpli Linea. Also, a stripe runner would add life. Good luck.