I like to use Flickr which allows me to organize my pics into "collections" and then sub-divide them into "albums" then I can resize my photos and use the IMG tag to post on many different forums.

Here's an example:

[img ]https://c1.staticflickr.com/5/4731/39407862202_faaa9782f7_c.jpg[/img ]

but without spaces to get this: