Puja Loves to Sew and Makes Beautiful Scarves from Designer

Puja loves to sew and makes beautiful scarves from designer fabric end bolts. She needs to start advertising but doesn't want to spend a lot of money since her profit margins are slim. She has set up a Web site (simple but with no online purchasing) and a Facebook store. She also has her own Facebook page. Which social computing tool would be the most helpful in acquiring new followers/customers?

A) Post pictures in Flickr and tag them.
B) Post a YouTube video of different ways to tie the scarves.
C) Create a contest for her Facebook followers.
D) Tweet daily to current users.