Here is a unique idea: Cup Holder Car Mount for your iPod! This looks great and your iPhone is right at your fingertips for changing songs, scoping out the internet, answering the phone.
Take a look at the pictures. I'm sure you will agree that this is a heck of a lot better than putting it on your seat! The popular Cup Holder Pedestal is about 5" tall. It features an adjustable flywheel base that expands to fit varying cup holder opening except for those that are so large that the 7-Eleven Big Gulp falls over
The included cradle is custom made for the iPhone. All buttons and the charging port are completely accessible. It fits all versions of iPhone.