Follow these steps:
1. Go to the Animated Picture app on Facebook.
2. Click on Go to App button.
3. Now you are on the app interface.
4. Here you can select the wall of the person or page on which you want to post this image.
5. If you want to post your own animated picture, click on Add Image and then enter the URL of the image.
6.After selecting the image, a new pop up will open where you can write a message before posting this image.