When you arrange everything as you see in the photo, bellow  @  lesson & tips section .You are ready to start. Activate your flash, use sport scene this will freze the motion. ( if you have d-slr i use shutler speed 1/200 this is the lowest shutler speed for my machine (nikon d-5000)) . Start making droplet to the water in the dish. Take shots . One shot is not enough you have to be pactiant. Take 10-20 shots and look what you get. You need to be close and optic zoom enough.

You can change your angle and take more shots to get beter results. And crop your photo. You can see bellow what i get. Remember that focusing is too important. 

Also, i descirebed how it's made