First shoot! (part 3: glass)

Last part of my First Shoot blunders: shooting glass. I read "Light: Science and Magic", but didn't actually do much of the exercises... and lost a chance to get the photo I wanted. There was this cool bar with bottles lighted from below, and I wanted to get some pics of people standing beside the bottles: The bar alone looked like this:

Nice! But as soon as I added some light to it...