You can do the same without using an image-editing program once you understand how to use Tumblr's HTML editor. Adding an image to your Tumblr blog post is as simple as clicking the "Insert Image ...

The HTML Web programming language doesn't offer a specific tag for adding a caption to an image. While it has a tag, it's for adding a label to a table – not for images. There are two ways to ...

Density, typically in ppi, is how resolution is mapped to scale on a display or when printing. In this image, the 72 dpi and ... some monkeying around with HTML, which many web-hosting sites ...