1. This isn't the right forum to post this sort of question in. This forum is a better place for those types of questions
2. Your avatar link isn't a direct image link. Your avatar link goes to the meme generator website. You have to save the image to your computer and upload it to a file hosting website such as imgur, or you can upload it to your filebin here on SMWCentral. Keep in mind your avatar can only be 150x150 pixels. You can easily resize the image on your computer using MS Paint (or Paint.net if you have it, the resize is smoother with that app), and there are online image resizers as well.
Hope this helped!