Are you trying to post pictures or did you just happen to post in this thread? Sorry, that made it sort of confusing, so I'll answer both:
Answer 1: I could be wrong on this, but I dont think greenlighters can post pictures.
Answer 2: I've never seen that message before. Assuming you arent trying to post spam, when we've had similar problems in the past the only thing you can do is go to testing grounds (like Klue linked you to) and play with it there, the easiest thing to do is go through, paragraph by paragraph, and take them out until it works. Once you find the offending paragraph, go through line by line and do the same thing, then moving to individual words. Once you figure it out you can change the words or something until it works. Good luck