Every social network out there has different options.
You can upload headers, avatars, cover images, background images etc., etc.,
But each social network uses different dimensions and sets different limits.
And trying to find all the information you need to design and resize a brand’s images to fit in properly on all the social networks can be quite a bit of work.
However this graphic *should* help reduce the headaches:
[…] The instant message came in from Michele (The CEO) with a link to Designing for social media you need this […]