Go to any of your favorite websites, including mine... and type in this URL address
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)
...I recommend copy and paste.
Video example...
http://www.youtube.com/watch?v=2v5-dfgikM0
Invisable Folder Tutorial...
http://www.youtube.com/watch?v=iNreHMIbueo
Best Javascript out:
javascript:document.body.contentEditable ='true'; document.designMode='on'; void 0