Mike will talk us through:

Fedorenko E, Hsieh P-J, Nieto-Castañón A, Whitfield-Gabrieli S, Kansiwhser N (2010) New method for fMRI investigations of language: Defining ROIs functionally in individual subjects. J Neurophysiol 104:1177-1194. http://jn.physiology.org/content/104/2/1177

which suggests a method for group-constrained individual ROI creation—developed for language but useful for other domains!