Every make a killer website mock-up?

Ever start slicing/css/html(ing) that killer mock-up and once all said and done you feel something is off a bit, or something is just not lining up correctly?

Check out Maki, a simple bookmarklet you drag into your browsers bookmarks area and click to activate on any webpage.

Check it out this video and some screens:

Maki is developed to be a onion skin for your site mock-ups, But I’ve found it pretty useful for laying in images that you just want to test out without having to actually upload them to your server, make any changes in the css or open Photoshop.

Let’s say you want to see how your add looks on a site you looking into advertising on.

What can you use Maki for?