helpppp

I'm throwing a bridal shower for Bev with her sister, and I have no idea what to do for decorations. Do I start with a theme and then think about the decoratiosn? I need help with a theme! Any ideas? Here's a little bit about the bride: Very girlie and feminine, teacher, enjoys camping and outdoorsy things, wedding theme is nautical, wedding colors are navy and white. Oh, and she doesn't read my blog, so I'm not worried about her seeing this. Ughhhhh. Help?