lose the shot glass its really not need here, otherwise the absolut in the middle and the martini glass and shot glass on each side to help the composition out, a sloped background would also help to irradicate the line you have running through the shot which is distracting. Last point is maybe on the blue on white to saturate the blue a little more to offset it from the whitey grey background
the composition of the photo is very good but the line ware the background and the floor meet is very distracting. also the forground is grey, it would look better in white.
good luck
try putting your elements into a different arrangement -- they look like they're in a "line up", less equi-distant, vary spacing between them. Your lighting is too flat/dim to bring out the depth of the elements.
Focus seems a little soft and it would probably be better if you got the white background to actually be white. Are the things in the shot glass blueberries? They are much to dark to be able to get any hint of color from them. The composition is overall a little static. All the elements being lined up and completely seperated from each other tends to be a little boring.