1) Choose "Sine Plasma" in "Generate" group, then set "Period of X Sine" to 2 and "Green" to 128. Other parameters left without changes. Click on "Add" button.

2) Choose "Perlin Noise". Set "Variant" to 300 and "Blue" to 128. Enable "Fixed colors" checkbox. Then "Add" (use it after each command).

3) Transfer all this to the buffer "Move to Buffer" in "Buffer" group.

4) Now we shall deform the image. Choose "Sine distortion" in "Deform" group. Set "Width" and Height" to 3.

5) Choose "Glass" in "Deform" group. Set "Smothness" to 3.

6) Let's deform the image concerning the kept buffer. Choise "Distorition by Buffer" in "Deform" group and set such values:

7) Adjust the colors. Choose "Gamma Correction" in "Adjust Colors" group. Set "Percents" to 250.

8) That's all, now your image is ready.

Hint:  Try to experiment with all parameters of "Sine plasma" and "Perlin Noise".