TechnoBlog : open your blog.

First, you need to upload your image on your virtual disk. Go to the"Control Panel" section -> "File Manager".
Go into your "image" folder then upload your animated gif. When the upload is over, click on your image link and copy its URL.

Now you need to insert this image on your post :
Create a new postand copy the following code :

<div style="text-align: center;"><img src="[gif URL]" alt="" /></div>

Remember to replace [gif URL] by the URL of your animated gif. You may also fill in the alt="" function (alternative text).