- deletes 200 forms from GECK* http://diogenes-lamp.info/images/scuttlenostromo.jpg
This probably refers to deleting obsolete stuff from Fallout 3 that is not used in New Vegas.
.esm is the file format used for the G.E.C.K master files. Fortunately, the GECK used by developers, unlike the one that was released to the public, comes with version control tools.
There's also this one:
Maybe Blue Moon will be the New Vegas intro and/or trailer song?
Update: turns out Josh actually didn't corrupt the .esm after all: