Haha yeah I had to fix mine by pasting the URL in the link box, and then paste the URL in the displayed text box as well, when I try to just paste it like you, it only displays the word store in a tiny font as the link lol
This discount is only through his website, if you want to order something specific, message him on Instagram or email, can make whatever you like!
Yeah sorry I wouldn't know about any international shipping though, but that sucks, it's always tricky to get stuff in those situations unfortunately...