Hi.  This question is about this portion of the thread, "Alternatively you may also create a ROI image file using WFU_pickatlas or some other tool and enter the resulting .img files as ROIs in the toolbox."
 
I made an ROI in the WFU_Pickatlas, but later realized I likely made an error by creating it in Talairach space using the Talairach Daemon atlas option.  I didn't see any MNI atlases in the version I have.  When using WFU_Pickatlas, is there a particular atlas you would recommend to choose from the Human Atlas box on the left side of the gui?
 
Thanks so much for all of your help!