Polyvore allows you to mix-and-match a ton of different outfits and accessories. Students can write about it, then save it.
English Language Learner students, particularly girls, are going to have a field day with this one.
I’ve placed the link on my Examples of Student Work page under Student Fashions.
On a another note, you’ll notice that I’m not posting as many examples of student work on that page as I’ve done in the past. Some (though not all) of my students are feeling a little self-conscious about having their beginning efforts at English out there for the whole world to see. So I’ve begun posting some student work on private webpages only accessible to students in the classes and their families.