I set up a OpenWRT installation featuring a lighttpd web server including php via fastcgi.
Unfortunally PHP won't work on the webserver (the famous "no input file specified" error) and I seem unable to fix it...
Max cash to earn is $30, it should be a real easy job for someone with the right knowledge.
I'll provide you with SSH access to the box and the root account credentials. The money will be payed upon your success. Your actions will of course be monitored.