s=Import["http://www.math.harvard.edu/archive/21a_fall_07/people/s_oliver_knill.jpg"];
u=ImagePartition[s,16] // Grid; 
b=ImageEffect[s,"Solarization"];
c=ImageCompose[s,{Graphics[{Yellow,Disk[]}],0.5}];
d=Blur[s]; e=Sharpen[s]; f=ImageEffect[s,{"SaltPepperNoise",0.15}];
g=ColorQuantize[s,10];
i=ImageEffect[s,"Charcoal"];
h=GraphicsGrid[{{s,u,g},{c,b,i},{d,e,f}}];
Manipulate[ImageAdjust[h,{P[[1]],P[[2]]}],Control[{{P,{0.1,0.1}},{0,0},{2,2},ImageSize->{500,200}}]]