I just looked this up, because I wasn't sure at first whether it could actually, in fact, be done at all. The biggest thing I see here in this community, along with everywhere else, and while for the majority of you, probably it doesn't matter too much, but would be nice if more people got into the habit of doing this. Doing what, you ask? Adding semantic descriptions and captions to images.
The method is simple. Just type the following when placing an image: [semantic description of image(path to image)caption]. Done. If more folks did that, then more people in the community would be able to participate. I, for instance rely on images to be described for the simple reason that I'm visually impaired, and it's essentially the only way I will ever appreciate them in this moment in time. Another reason? If the image is blurry, and it's the only one available, a little description just helps everyone in general. I'm just asking for a bit of extra effort to be put into posts. Quality, does the steem blockchain ask for? Well, focusing on the essentials and taking time to make your posts accessible to as many as possible? That's quality. Not writing an essay. Anyways, thanks for listening, and hopefully I taught you something new. It's my job in the community, after all.