Q&A for How to Get the URL for Pictures

You don't. It is a uniform resource locator, used by browsers or applications over the internet. It identifies where something is located on the internet to take you to it. If you need it for coding, just put the directory it is in as your link address. It is ideal to put it inside the directory; the code is saved so you can just write the filename into your tags.

It depends how the server is configured. If the directory is private, then only authorized people can see it. If it is public, anyone can see it.

Upload the picture to imgur.com as mentioned in Method 4 - follow the steps there.

There is an option on Imgur to keep the post hidden so it will be private if you click that before posting.

Yes, there are many websites besides Imgur that can be used to host and share links, especially for various types of content. Some popular alternatives include, Flickr, Google Photos, Google Drive, MediaFire, TinyPic, PostImage. These are just a few examples, and there are many other websites and platforms available depending on your specific needs and preferences.