Here's a link to one of our current auctions:
Please let me know what you do/don't like about the audio. I just started doing this and I'm looking to make some improvements.
Much to my surprise, the auto-play has performed better than the click-to-play audio descriptions. However, because of my own personal preference, I think I'll start making the audio click-to-play.
If anyone's interested in using audio in their auctions or on their website, here's the link to begin a 3 week trial for only $1: