Trying for a comercial feel.

[mentos_007]

Huge improvement, especially in the focus on the glass. What it lacks for me is some sort of composition to keep my attention. The glass is pretty much dead center. Maybe try some different angles and placement of the glass. Or do a close up of the glass to fill the frame. Your background and exposure is much, much better on the second try!

ditto!!!

 

[2Stupid2Duck]

Double ditto. Well done.

 

[sdbphoto]

going one step further, you might want to eliminate all reflections from the glass, above and below the liquid... You will need to build a light tent to do this... 6 sheets of 1" styrofoam taped into a box, cut a hole in the side where the camera comes thru, tape background in to make "mini studio". Put a light box, above or below as you please and good luck to ya, this kind of shot done "professionally" takes a full day and a full team, equipment and gear... looks pretty good what you have done though... For a true commercial feel, you might want to go high key...