Since the content is now officially free, modern acquisition of these files often involves the raw .pkg files. If utilizing custom firmware (CFW), users must ensure that the corresponding .rap (rights information) files are placed in the /dev_hdd0/home/00000001/exdata/ folder to authorize the content, though the official store packages now often auto-authorize as free content.
Some popular DLC packs for Tekken Tag Tournament 2 include: tekken tag tournament 2 ps3 dlc pkg new download