I made a few posts for them. Without the sprites that is.
I'll give you a brief list.
Dragon Aurora: A dragon that turns into fire when you move. +5 all stats, 1 slot, mid head gear.
Laughing Poo Poo: A poo poo hat that seems like it's laughing. -12% Demi Human, upper head gear.
Lord Kaho's Horn: Not a custom item but it's a quest item. Refer to ratemyserver.net
Ghostring Hat: -8% Demi Human, 1 slot, upper head gear.
Suke Hat: +2 All stats, 1 slot, upper head gear.
Marshmallow hat: (Only available to those who were here since Beta) +5 all stats, 1 slot, upper head gear.
Luigi/Mario's hat: +8 all stats, 1 slot, upper head gear.
Twin Bunnies: +5 all stats, 1 slot, mid head gear.
Event Coupon: Obtained by winning events.
Donation Coupons: Obtained by trading event coupons or by donating.
Deviling wings: +15% walking speed.
Flapping Deviling wings: Only obtainable in War of Emperium, +15% walking speed.
Red Butterfly wings: +15% walking speed.
Blue Butterfly wings: +15% walking speed.
Gargoyle wings: +15% walking speed.
Angeling wings: +15% walking speed.
White Butterfly wings: +15% walking speed.
Forsaken Equips
Monsters + Cards
Monster - Map found - Card effect - Equiped on
Aquaring - for_fild01 - -33% Water element, Flee +5 - Manteau
Darkring- for_fild01 - -33% Shadow element, Flee +5 - Manteau
Lizard - Not Implemented - Not Implemented - Not Implemented
Dragoon Wizard - for_fild06 - 10% chance of autocasting Kyrie Eleison, Hp & Sp + 5% - Boots
Firering - for_fild01 - -33% Fire element, Flee +5 - Manteau
Fox - for_fild02, for_fild03, for_fild05, for_fild06 - Flee + 10, Perfect Dodge + 10, Luck +5, Agi + 5 - Boots
Hollowring - for_fild02 - Sp + 13% - Manteau
Leafring - for_fild02 - -33% Wind element, Flee +5 - Manteau
Soldier - for_fild02 - Enable use of Level 1 Pierce - Weapon
Pumpkinring - Halloween - Not Implemented - Not Implemented
Slimelala - for_fild05, for_fild06 - Add 5% chance of casting "Level 1 Poison React" when recieving Physical Damage, If user has mastered "Level 5 Poison React", it will cast "Level 5 Poison React" - Armor
Viscount - Halloween - Not Implemented - Not Implemented
Lolitail - for_fild05, for_fild06 - -33% Ghost element, Flee +5 - Manteau
Flyring - for_fild05, for_fild06 - +10% damage to Demi-Humans - Weapon
Bear - for_fild04 - Add 10% chance of gaining "Honey" each time a Brute monster is killed - Headgear
Kingring - for_fild04 - Increase MATK by 3% - Weapon
Fallen Bishop - Halloween - Not Implemented - Not Implemented
Flaming Head - Halloween - Not Implemented - Not Implemented
Puppetring - for_fild04 - Add 10% chance of auto casting "Stone Curse" when user recieves Physical Damage - Armor
Skeling - Not Implemented - Not Implemented - Not Implemented
Cowring - Not Implemented - Not Implemented - Not Implemented
There are more but I'm too lazy to continue.