Problems with Planning

During our planning of our poster, teaser trailer and film magazine cover, we have encountered many problems.
The main problem we have had is deciding on costumes for the person to wear during the filming. The group was split, with some wanting her to wear a dress and some wanting to wear normal clothing. I felt that by wearing normal clothing, it did not give off the right effect we wanted, which is vulnerable. We finally decided the girl should wear a dress.
We had problems designing our film poster, as at first we wanted the picture to be taken at a bus stop, but later decided this would be too difficult as we would have to have the correct lighting and same surroundings, which may of changed if we had to re-visit the setting.
Planing our teaser trailer was hard, as it was felt that we had designed a trailer more than a teaser trailer. So we had to re-plan it to fit teaser trailer conventions, which we decided upon an 'interview' where the girl is describing the feelings of what has happened, without letting the audience know what has happened.
Often during our planning, some of the group was away, either for exams, etc, which casued a problem with the planning, as when they returned, they disagreed with the ideas that had been suggested, meaning we had to re-plan and come up with different ideas. Emily is away,which has caused a few delays in our work, as she was meant to be our main model, we chose someone else, but the set back, has caused us delays in filming etc.