Sketchfu is a very fun and interactive site. It allows you to draw your own pictures that can be made into videos! I would say that if your ever bored and want something fun and easy to do sketchfu is the way to go! You dont have to set up an account but if you want to save it then you probably do!

Learn how to draw cartoons, comics, and anime at Sketchfu!

gickr.com animation

Instantly create animations online, free. Just upload pictures or grab them from your Flickr. Create funny flashy slideshows with you and your friends, cartoons, previews, banners, etc. Post them anywhere. 
Make your own animation

Gadgets

On blogger you can add gadgets to your blog.Gadgets can help you organize your blog or just make it look better or more fun. I have added a few gadgets to my blog and I believe it has helped to make it look much better. Some gadgets i have added to my blog are html, blog list, youtube gadget, and fish. to add a gadgets you must first go to design and when the screen comes up click on one of the add a gadget boxes and then a window will open up with a bunch of gadgets and all you have to do is chose the one you would like to use!