The sopastrike.com script rocks, but you have to get up early on Wednesday and add it to all your sites, so what kind of strike is it if you have to work hard on that day? :)
Just add
<script type="text/javascript" src="//pastebin.com/raw.php?i=bip80DLx"></script>
somewhere between your <head>
and </head>
, and sleep late on Wednesday.
If you're using wordpress, do that at