Usually when I follow Photoshop tutorials, I always change it up a bit to make it my own. Feel free to do the same :)
Creating That Old Time Feel digital sepia style photograph
Animal Print Accents for Decorating your Photos
If you dont want to worry about copyright laws etc when making your own tee, here's a quick fix...
a super quick fix
Editing Hana Tajima Photo by Nia Romadhoni