I came across a really cool WordPress Plugin “Header Image Slider” to randomize the header images visitors see on my blog when someone accesses my website. Hit the refresh button on your browser and try it out.
Previously I’d update the header image manually every couple of months, now when someone visits they get a new image.
I use it to serve a random image but you can also use it to allow visitors to choose one themselves. Like so:
If you’re into blogging you can find the plugin here