You and 2 other accounts are posting pictures from the same facebook account. That link is not the facebook account in question.

If you want to avoid being flagged in the future check out posts by @steemcleaners on plagiarism and content theft.

Plagiarism Guide
Identity & Content Verification Guide: When to Ask and When Not To
Adding Value to Steemit through Sharing

If you actually own the facebook account the pictures are from all you need to do is verify it.