This is a nice card “Hearts and Borders” feature some quill work : Hearts and Borders card.
I don;t *think* I have posted before- here is a Heart pattern.
Some basic quilled hearts used in cards/stamping : http://www.amytree.com/quilling/hearts.html
I have some more to add- sorry for the short post.
If you know of some patterns or have a quilling site with free patterns- let me know and I will post. Just comment