Question: I am not having much luck getting my intentions across here on meta so I will make this ridiculously short. This is related to the Unprofessionalism bullet-point in my [longwinded answer](https://skeptics.meta.stackexchange.com/questions/733/90-days-are-up-how-are-we-doing/761#761) to the 90 day opinion poll.

What guidelines do/should we have with regards to which types of images are fair game for me to edit out of questions and answers?

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For the sake of discussion, here is the [same question](https://meta.stackexchange.com/q/92560/159491) asked at Meta.SO (with links to Sketpics.) There has also been handfuls of comments and chats regarding the topic. At this point I just want to know how I should act so I can go edit (or not edit) appropriately.

Answer: 
I'd like to mention [the image in this answer](https://skeptics.stackexchange.com/questions/1738/do-drug-addicts-stop-maturing-when-they-become-addicted/4764#4764) as an example of an on-topic image.
Only entertaining pictures without relevance to the question or answer, not helping to understand, should be banned as **off topic**. 

Especially disturbing are pictures edited into the question by a second party. Not everybody likes a fat, dumb dog sitting in his question. 

Schematic drawings, photos and other pictures **clearing** stuff should be **encouraged**. 

Pictures take a lot of **bandwith** and should be avoided if just decorative, like **greetings** and other **bloat** in questions and answers. 

[See this meta discussion about bloat, too.](https://meta.stackexchange.com/questions/2950/should-hi-thanks-taglines-and-salutations-be-removed-from-posts)