Trying to be abit active at the forums, and here is some id's for holiday stuff and mounts..
ENJOY!
Interesting holiday stuff
Preserved holly (transforms mount into something more festive) .char additem 21213
Huge snowball .char additem 35557
snowball .char additem 17202
red helper box (requires snowball, summon a little helper!) .char additem 21305
green helper box (requires snowball, summon a little helper!) .char additem 21301
Jingling bell (requiers snowball, summon a winter reindeer) .char additem 21308
Toasting goblet (raise a toast to your friend!) .char additem 21267
Festival firecracker (throw on the ground) .char additem 21747
Elune stone (You're in the spotlight baby!) .char additem 21536
Pledge of admiration: Orgimmar (Contains: bag of candy, Unbestowed friendship bracelet, Love fool dummy) .char additem 22156
Pledge of admiration: Undercity (Contains: Guardian's moldy card, Unbestowed friendship bracelet, box of chocolates) .char additem 22157
Pledge of admiration: thunder bluff (Contains: Pledge of adoration, Unbestowed friendship bracelet, Pledge of loyalty) .char additem 22158
Pledge of admiration: stormwind (Contains: pledge of adoration, Unbestowed friendship bracelet, pledge of loyalty) .char additem 21975
Pledge of admiration: Ironforge (Contains: pledge of adoration, Unbestowed friendship bracelet, Love fool dummy, box of chocolates) .char additem 22154
Pledge of admiration: darnassus (Contains: pledge of adoration, box of chocolates, pledge of loyalty) .char additem 22155
Handful of rose petals (shower a nearby target with a cascade of rose petals) .char additem 22218
handful of snowflakes (shower a target with snowflakes) .char additem 34191
handful of summer petals (shoer a target with summer flowers) .char additem 34684
heart candy (Be mine) .char additem 21816
heart candy (I love you) .char additem 21817
heart candy (I'll follow you all around Azeroth) .char additem 21818
heart candy (All yours) .char additem 21819
heart candy (You're the best) .char additem 21820
heart candy (I'm all yours) .char additem 21821
heart candy (You're mine) .char additem 21822
heart candy (Hot lips) .char additem 21823
Treat bag (sometimes empty, usually has fun costume wands inside!) .char additem 20393
Hallow's end aura (Spell-puts a green glow with little skulls floating around you) .admin castall 24702
Hallow's end candy (spell-Grow in size by 30% and turn orange-"You feel larger, and oranger) .admin castall 24924
hallow's end candy (spell-Turn into a skeleton with water breathing-"You look a bit thin") .admin castall 24925
hallow's end candy (spell-Turn into a pirate with faster swim speed-"Yeargh") .admin castall 24926
hallow's end candy (spell-Turn Ghostly...boo!-"OoOoOoo") .admin castall 24927
hallow's end candy, female (spell-female costume) .admin castall 44742
hallow's end candy, male (spell-male costume) .admin castall 44743
Wickerman effigy (requires ritual torch) .go spawn 181672
Ritual torch (burns wickerman effigy) .char additem 23682
Large jack o' lantern .go spawn 186887
pumpkin bag (16 slot bag) .char additem 20400
hallowed wand-pirate .char additem 20397
hallowed wand-ninja .char additem 20398
hallowed wand-leper gnome .char additem 20399
hallowed wand-ghost .char additem 20409
hallowed wand-bat .char additem 20410
hallowed wand-skeleton .char additem 20411
hallowed wand-random .char additem 20413
hallowed wand-wisp .char additem 20414
Has pumpkin head (spell) .admin castall 44016
flimsy male gnome mask .char additem 20391
flimsy female gnome mask .char additem 20392
flimsy male dwarf mask .char additem 20561
flimsy female dwarf mask .char additem 20562
flimsy male gnome mask .char additem 20391
flimsy female night elf mask .char additem 20563
flimsy male night elf mask .char additem 20564
flimsy female human mask .char additem 20565
flimsy male human mask .char additem 20566
flimsy female troll mask .char additem 20567
flimsy male troll mask .char additem 20568
flimsy female orc mask .char additem 20569
flimsy male orc .char additem 20570
flimsy female tauren mask .char additem 20571
flimsy male tauren mask .char additem 20572
flimsy male undead mask .char additem 20573
flimsy female undead mask .char additem 20574
Mounts of interest
The horseman's reins (this mount changes depending on riding skill and location) .char additem 37012
Swift flying broom (Outland use) .char additem 33182
magic broom (Anywhere use) .char additem 33183
Mekgineer's chopper (requires level 80, alliance) .char additem 44413
mechano-hog (requires level 80, horde) .char additem 41508
merciless nether drake .char additem 34092
cenarion war hippogryph (requires exalted-cenarion expedition) .char additem 33999
amani war bear .char additem 33809
ashes of al'ar (phoenix) .char additem 32458
x-51 nether-rocket x-treme (FUN!) .char additem 35226
Deathcharger's reins (Baron Rivendare's steed) .char additem 13335
Black Qiraji resonating crystal (Legendary) .char additem 21176
swift zhevra (unicorn with stripes?) .char additem 37719