Here are the pictures of my current setup. I also used the following which gods to aux port to transmit music over bluetooth
http://www.amazon.com/gp/product/B00...?ie=UTF8&psc=1
To dock the nexus and provide power I want this one:
http://www.amazon.com/gp/product/B00...A17MC6HOH9AVE6 which I haven't buy yet as it is not available in Costa Rica yet.