portfolio gallery question!

[javone]

first of hi to all,i have a problem obviously:)i want to make a page for my graffiti stuff so it will be mostly a portfolio the thing is the images will be thumbnails like the example i have attached. it is in flash 8 format.and when the user presses it i want to be opened a new window explorer with the actual picture in it. the whole page is in flash.i know each thumnail will be a button but i dont know what to do next???

thank you for your time:)

[Djjinn]

btn_name.onRelease = function(){
this.getURL("URL of PICTURE",_blank);
}

[javone]

thank you very much:) and something else this script will be on a separated action layer or on the hit status of the button??