Gickr: It can combine multiple images into one and help you create a Gif animation.

Gickr is a tool that can combine multiple images into a GIF animation picture without the need for registration. It is almost on par with some professional GIF-making software. You can use any number of pictures to create an animated effect, and it even supports converting YouTube videos directly into GIF images. Pictures can be uploaded directly or obtained via Flickr tags or usernames. You can also set the image size and playback speed. The resulting GIFs can be shared with friends through a static link or email, or you can embed the code into your Blog.