Make water that looks like a waterdrop has just fallen into it, in GIMP. GIMP tutorial on how to make waves in water and a waterdrop effect in GIMP . I’ll also let you know how how to use filters and layer modes in GIMP to give it a cool electrifying effect on top.
Filters used:
whirl and pinch
waves
difference clouds
Original tutorial by
ACM321 from crystalxp.net