looking for a random image and link php script
 

hi

i have some banner that promote a cam sponser ,that banner has 4 thumbs , and each thumb linked to the join page ,
now im searching for a php script that can take 4 thumbs from a folder that contain like 15 other thumbs randomaly each time a suerffer reloade the page. the hard thing is that the scrip will know to add the link to the rotated thumb

can anyone help with that?