http://wctin.com/count.html
heres a flash version , to set the cojtdown date just view the html source mm stands for month dd stands for day
so you call it like <embed src=count.swf?mm=12&dd=25 width=222 height=50>
That would make a countdown for christmas..
heres the swf file
http://wctin.com/count.swf?mm=07&dd=22 ( right clik save as )