Psychedelic soap bubbles:
247 bytes
c=256;Graphics c,c;c:-1;While 1For x=0 To c;For y=0 To c;e=0;f=0;g=0SeedRnd t;For i=0 To 20;d#=1-Sqr(u*u+v*v)/Rnd(c);u=Rnd(c)-x;v=Rnd(c)-y;e=Max(e,Rnd(c)*d);f=Max(f,Rnd(c)*d);g=Max(g,Rnd(c)*d)Next;SetColor e,f,g;Plot x,y;Next;Next;Flip;t:+1;Wend
247 bytes