How to Edit Image Size in HTML on Tumblr. If your blog images are too large, users may have to scroll to see them. Make the images too small, and blog visitors might not notice them.

For a more complex example, let's have a look at how to handle image insertion. We will use a GTK+ file dialog to prompt the user for an image and then we will insert it into the content field.

I'm emitting a dynamically generated page in PHP that has an img tag pointing to a static image file on the server that normally doesn't change. Every so often, the PHP script modifies the image ...