hey Diego !
use XS++ 2.2 !! its the best !!
You Must use FSX option.. !! and copy .swf files correctly..! if you are not understanding then ask again..!
also u can put the .swf files in M2 and check them out there as Preview before flashing..
but for flash menu to work u must flash them to Phone's FS !
Create a folder called files_to_upload in XS++ folder
files_to_upload/tpa/preset/system/desktop/flash/*** .swf files her***
create tpa preset system desktop flash folders .. then flash..!