you can't upload images, only link to them
That's very common in online forums (for the server load reasons) but doesn't seem to stop some forums from being fairly image-heavy. It's not like there is a shortage of free image-hosting sites.
Yes, I understand the inconvenience argument, but the lack of images at LW is pretty stark.
Do you think more people should include graphics in their posts?
Do you think more people should include graphics in their comments?
Do you think the image-heavy forums you mention get some benefit from being image-heavy that we would do well to pursue?
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.