I am in a similar situation. So here's what you do.
1. Say hi and smile
2. Sit next to her and strike up a conversation
3. Get to know her and when you think you've gathered enough strength then ask her out.
The Last King of Scotland is freaking me out because they stuck hooks in his chest and they are hanging the guy from the ceiling. Bloody! Gorey! Eww eck! I am not a girly girl I just hate bloody movies.