Itsy- I am sure you mean Etsy? Etsy is sort of like E-Bay but for hand made or vintage items.
Photobucket- Think of it as a virtual hard disk for your photos. Read through my Tutorial link below. It might help answer some of your questions. *Note- This was made a while ago so some the the screens look a little bit different, but it should help you get on the right path* http://www.maryjanesfarm.org/snitz/topic.asp?TOPIC_ID=12869
Blog- Web Log- www.blogger.com is easy and very intuitive to work with.