Alright, try this one. It's for Videora (free) converter. It's also pretty simple, let me know if you have trouble with it.
http://www.videora.com/en-us/Converter/iPod/

These are the settings I used & I had no trouble with volume or anything:
Bitrate 128kbps
Channels Stereo
Sample Rate Input(default)
Volume 100%