DA stamps - mobile URL - how to use ??

Are you referring to stamps on DA or ribbons? It's hard to tell what you mean by "cute profile stamps".

These are ribbons:

They're basically little awards you can give to your characters? A lot are linked here and here (I run this thread, actually lol). They all have their own meanings and such. 

Or do you mean like the stamps on Deviantart? (These)

Those can be rather confusing to use if you wanna follow rule 4.2. Most stamps don't credit where they get the images from so heads up. (Only using the ones shown here as a reference. I'm not too sure if the rule applies to the forums? But they do on profiles and such. But again, this is an example)

To add these to your profile(s), first, turn off/disable WYSIWYG, then place this code where you need to:
<a href="(link)"><img src="(image url)"></a>
(To get the image url, right-click the image and select Copy Image Adress to directly copy the image's url or you can select Open Image In New Tab and take the url from the url bar. This is how you do it in Chrome. Not sure about other browsers. May have to look around if you don't use Chrome or the options aren't there) The link is just to add the link to where you got the image from. Credit is nice, after all. (If you really don't want clickable links, then you use <img src="(image url)">)

Hope this helps you.

-Alex- I mean the stamps, thanks. Um, where do you find them though ^^

That particular style was started on deviantart, just search stamps or stamps + a keyword for your interest.

What about Mobile? -Alex- Thanks Pepperly for the link, that was so helpful. This is really simple stuff but it just didn’t work for me..I’m not familiar with DA very well, so how do you grab a image URL on mobile? (Safari)

If you press-hold an image it should have something like "get image URL" on a right-click-esque popup but I never browse on my phone, let alone use safari, so I could be wrong about the function name. Additionally I don't know how da's token-hosting works on mobile so it might be very difficult to get a permanent link. You might be better off saving the image, tossing it up on imgur or discord, and getting a permalink from there. Use Alex's code to link back to the original deviation if you want to leave credits (a good idea).