I would have thought it would be the same as posting a image you post the URL of the gif but last time I tried posting a gif from tumbler it only posted the link to the gif. I googled something to find a suitable gif for a question and the best one is on tumblr.
Most Helpful Guy
Our FAQ is full of information like this. http://www.girlsaskguys.com/faq#140
You must be Xper Level 2+ to embed images/videos.
Simply copy and paste the URL address of the video or image into your question's details or your opinion. After you've submitted your post, the system will embed it for you.
Images and videos will only embed in a question's details or in an opinion, never in a question update.
Also, you can only post 10 clickable links per post (3 will embed, the rest will appear as links)!
If you're wanting to embed your own photo, you'll need to first upload that photo to an image sharing site like imgur or photobucket, then use the link they give you for the image.
Please remember, nothing explicit or offensive! Keep it relatively clean, guys!1