Tutorial for hacking a CP2102 USB from ebay and uploading a sketch to an Atmega

Yes, double sided.
I let eagle auto-route it. It does okay if you have good parts placement to begin with.
The design is almost the same, added a couple of caps to the +5 line, diode in parallel with the reset pullup resistor, the 3mm LED and current limit resistor, and put all the pins in one row to be breadboard friendly (assuming one installs right angle male header there).