i have got a qeustion

ok so im a new user as you can tell.... and the only reason i am subscribed to this is because i found something the other day that freaked me out and i think it might have something to do with aleins and would love the advice from somene on here.... but i have come to the problem which thread do i post it in? the topic is i found something i have pictures and want peoples advice.. If any one could help that would be greet thanks alot