Instructions for this image:

1.   Draw gradient (Ctrl - J).  Default colors.  Vertical (not vertcenter) style.  256 x 256

2.  Edge Merge 1/8 (Alt > I > S > M > 8)

3.  Lighten (Ctl - Alt - T) Repeat twice

4.  Rotate Seamless (Ctrl - Alt - S)

5.  Mirror L/R (Ctrl - L)

6.  SineWave U/D, 2 peaks 180 height (Ctrl - D)

7.  SineWave Both:  UD 2 peaks 180 height  LR 2 peaks 64 height (Ctrl - X)

8.  Soften less  (Ctrl - Y) repeat twice

9.  Lighten (Ctrl - Alt - T)

10. Copy to Buffer.  (Alt > B > C)

11. Draw Gradient (Ctrl - J).  Start Color maroon (64 0 0) End Color Pink (255 0 255)  Vertical style.

12. Change Pen color to Yellow.  Pen Size 300.  Select Freehand draw tool from toolbox.  Select XORPen from Pen menu.  Draw a quick circle.

13. Color Rotate 8 bits (Ctrl - O) repeat twice

14. Mirror U/D  (Ctrl - M)

15. Edge Merge 1/8.  (Alt > I > S > M > 8)

16. Soften Less  (Ctrl - Y) repeat twice.

17.  Map Texture.  (Ctrl - F2) use buffer.