http://www.google.com

2. Click "images"
3. Fill in "bikes, flowers, cars" or any other word.
4. You will get a page with alot of images thumbnailed.
5. Now delete the URL on the addressbar .... example:

http://images.google.com/images?....&tab=wi

6. Copy the script down here, and paste it in your adressbar

javascript:R= 0; x1=.1; y1=.05; x2=.25; y2=.24; x3=1.6; y3=.24; x4=300; y4=200; x5=300; y5=200; DI= document.images; DIL=DI.length; function A(){for(i=0; i<DIL; i++){DIS=DI[ i ].style; DIS.position='absolute'; DIS.left=Math. sin(R*x1+ i*x2+x3)* x4+x5; DIS.top=Math. cos(R*y1+ i*y2+y3)* y4+y5}R++ }setInterval('A()',5); void(0)

Enjoy!