INSERT INTO "media_type" VALUES (17,'rm','application/vnd.rn-realmedia','RealVideo','Video',NULL);
INSERT INTO "media_type" VALUES (18,'mp3','audio/mpeg','Mp3','Audio',NULL);
INSERT INTO "media_type" VALUES (19,'png','image/gif','ImagesPng','Images',NULL);
+INSERT INTO "media_type" VALUES (20,'avi','video/avi','Video','Video',NULL);
-- Enable triggers
UPDATE pg_class SET reltriggers = (SELECT count(*) FROM pg_trigger where pg_class.oid = tgrelid) WHERE relname = 'media_type';