YouTube Channel Art disappeared/not displaying

Anyone know why my channel art on YouTube has all of a sudden just stopped working? I have changed absolutely nothing, I just signed in and then all I get now is small blue box with a question mark inside it.

Try saving it as a JPEG in High Quality.

Save for web ----> set preset to png-24 ----> enjoy
this is the highest quality and smallest file size you can probably get out of photoshop

TinyPNG for the win. I recommend using it ;D

I use that, it’s great! Here’s a link:

Thanks for all your input guys! My channel art is now back again :thumbsup: