Yontoo Layers is an extension that gives you the power to change the look of sites such as Facebook and MySpace, by adding "layers" to them without the need for complicated HTML scripts.

One thing Facebook users often complain about is the frequent change in designs. With Yontoo Layers, you can instantly change the look back to a more classic design or even select something totally different that you prefer.

You can download layers from the official developer site and within minutes, you'll have Facebook and MySpace decorated in all kinds of weird and wonderful designs. However, if you want your friends to see the changes you've made using Yontoo Layers, you'll have to invite them to install the same program which is a bit annoying.

In addition, the loading times of websites will be affected by the changes you make, but the overall advantage is that you take control of the kind of site designs you'd like to see. Combined with a Firefox plug-in like Greasemonkey, you can really take full control of the way websites are displayed on your screen.

Yontoo Layers is a good idea although the fact your friends have to install it to appreciate changes and that it slows down browsing, make it somewhat disappointing.