If you use Firefox, get thee to [link]
and install this add-on. Among other things, it will block the super-annoying giant popups for movies and cars (you know the ones--they show up when the page loads and take over your screen with an irritating animation). It will also disable the intrusive ads that certain art sites like to put everywhere. >>
Edit: To clarify, I have don't mind unobtrusive ads that hang out in the page margins. What made me install the add-on was that there were some ads on this page and others that were hanging up the browser and keeping the page from loading. I finally got frustrated and Adblockinated everything.