sorry man but none of those links refers to anyones pastebin. Is it possible that you don´t really understand how the pastebin works ?
You can use your pastebin to upload some stuff to it and show it to other people. To share your files with other users you have to send them the link of your pastebin entry. Every user has his/her own pastebin so if you click on the Pastebin link on top of the page you are directed to your own personal pastebin. Or in short terms:
Go to your pastebin
Upload some files and/or paste text
Give the URL (which can be found in the 'headline' of your browser' to the person you want to share your files with