Extract the archive to your Dragon Age 2 override folder (Documents/BioWare/Dragon Age 2/packages/core/override).
------------ Credits ------------
- Bioware for making the game. - Me for being bored enough to do this. - Mephales for the GFF Editor. http://social.bioware.com/project/1936/ - gib for the erf packer tool. http://mod.gib.me/dragonage2/erfpack-rev21.zip If you want Varric to continue exaggerating some of Bethany's "features" during the whole game, not just the beginning.