How Do I Upload Bumper Stickers To Facebook?

Question

I made a bumper sticker on paint, then i went to the upload page and browsed to it and hit enter. then it came up with the error

Sticker cannot be uploaded because :

Content type is not included in the list

Is it the ending of the file? I'm not sure, I tried with a .gif and a .bmp, please help.

Answer 1

save as a jpg.