There's so many barding available now that you can make your chocobo really cool looking now! Here's my chocobo with different outfit:
http://i.imgur.com/Pu57GX1.jpg
http://i.imgur.com/dfEJGFJ.jpg
http://i.imgur.com/vABbQPz.jpg
http://i.imgur.com/Qvjdylx.jpg
http://i.imgur.com/t1JtQCz.jpg