A riddle entwined in lingerie

If you like clues and riddles you might enjoy this one. Agent Provocateur a high end lingerie store just released a competition highlighting there new lingerie line, Season of the Witch. Each season they'll release a new line and another riddle to the answer and the clues can be found in this amazing poster. Check out the photo and if you want to see more detail click on the photo and it'll take you to the site. If you think you know it before September 1st, 2009 click here. Here's the riddle:

The angel holds my heart entwined
Liberate my ex valentine
Swallow your fear and live free
The serpant surrounds the clue to me.