How do I paste an url from an image? I want to post an image on a website, but it requires the image's url, which I don't know how to. By the way, I'm on an iPad... could anyone help?
Just use an app like "Imgur" 

https://itunes.apple.com/us/app/imgur-awesome-images-gifs/id639881495?mt=8

Use Upload feature to create and share your own pictures as url.