Replies to post #26143 on The Question and Answer Board (IHUB)

[Mattu]

Yes, if you have a picture in a post and control the website, you could log the IPs of those who read it.

I've only run into this once or twice and put a stop to those doing it.

For those worried about it, in your settings (Tools > My Settings) you can turn off images being embedded, which stops from being "tracked"