A simple minimalistic startpage design based on another one I can't remember right now.
It has a background randomizer and even an image randomizer (disabled by default), that change the background on each time the page is loaded.
Preview of the Startpage
Simply download from here and open it locally from your browser.
Changing the links is as simple as changing the links itself on the index.html file.
To change the backgrounds/images simply change or add the files in the /bgs and /image folder. If you want more images than what are there you have to change the global variables of the random.js file (instructions with more detail in the file).