How do you add gifs to your signature?

Exactly what A crying Nidoking said.

If you'd like a more detailed explanation:

1. Get to signature edit box: Profile (top right) --> Edit Profile --> Personal, scroll down towards the bottom.



2. Upload your picture/GIF onto an image hosting site (imgur.com heavily recommended) if it's not already.



3. After uploading your gif on imgur.com, I'd suggest right clicking and opening the video into a new tab, and then copying that URL rather than the first one. I've had errors using the first link provided by imgur.



4. Insert that URL into your signature as follows: [img.]PUT LINK HERE.png[/img.] (no periods, no spaces). Make sure to put .png at the end of your link.



5. Scroll down and hit 'Save Personal Settings'.

Could you give the link to the image or GIF?

Try copying this code into your signature wherever you want it:

[img]http://i.imgur.com/A8erAyO.gif[/img]

Dat watermark doe x.x

Friends: Insanity, leopard~, Spottedleaf125, 2dhalfheart, Wolfdusk                        

[pre]                                                               [img style="max-width:100%;" src="http://i.imgur.com/A8erAyO.gif"][/pre]


gives

Friends: Insanity, leopard~, Spottedleaf125, 2dhalfheart, Wolfdusk

                                                               


You can replace the link for a different picture/GIF, and to change the spacing just add/delete spaces in between the 
 [/ pre]


Also, if you want to alter the size, you can change the percentage up top where it says 100% or a smaller or larger number.