You should buy a Copper membership to support the forum and to get some permissions similar to Member rank. One of permissions is to post your images that are helpful for the announcement thread and future announcement or advertisement graphics.

Buy there: https://bitcointalk.org/index.php?topic=2385104.msg24371150#msg24371150
Remember to wear it


About your social media accounts, I recommend your team to buy the Twitter blue tick for Twitter verified account.