What is happening with my signature?

[Spetsnax]

3 times my signatures has been modified and the rules link doesn't work.

 

[Dean]

Use these links:​

Image 1​

Image 2​

Image 3​

​

 

[Spetsnax]

Now they look like this.

EDIT: I decided to get rid of the seeds one and it worked. I think there is a max image number or something.

 

[Dean]

Make sure that when you paste the image in that the file extension is added to the URL.

For example http://i.imgur.com/87uuk.png