was wondering which flash diffuser most recommend for very tall ceilings that are to high to bounce off of. the typical sto-fen type? http://www.bhphotovideo.com/c/product/408070-REG/SBM_0104__0104_Supreme_Flash_Diffuser.html or the dome type? http://cgi.ebay.com/Lambency-Flash-...ryZ15221QQssPageNameZWDVWQQrdZ1QQcmdZViewItem or the softbox type? http://cgi.ebay.com/Velcro-Flash-Di...ryZ64354QQssPageNameZWDVWQQrdZ1QQcmdZViewItem I'm trying to get everyones opinions on there best solution for shooting in big open indoor spaces with no where to bounce from?