Keeping in mind that this was for a heavily house-ruled campaign...
Elf
Fey (Elf)
Ability Modifiers: +4 Dex, +2 Wis, +2 Cha, -2 Str, -2 Con
Skills: +4 Listen, +2 Animal Empathy, +2 Hide, +2 Move Silently, +2 Wilderness Lore
(In that campaign, all races that get bonuses to skills get those skills as class skills, in addition to the bonuses.)
Blindsight: Range 15’, based on hearing
Nature’s Guardians: Elves are always considered to be taking 10 on Hide and Move Silently checks while moving through woods, unless they actively choose not to. They still get the –5 for moving at normal speed (if they are), but that still makes for an average elf always moving with a 9 on Hide and Move Silently even when strolling through the woods.
Additionally, Elves always are considered to be hiding their tracks (+5 to DC to track them) in woods even while moving at normal speed. Elves can attempt to hide their tracks, as normal, and the bonus stacks (effectively +10 to DC of elf tracks while in woods if the Elf is trying to hide his tracks).
Sensitive Ears: Because of Elves’ acute hearing, they suffer a –2 penalty to saves vs. all sonic spells and effects.
Metal Allergy: Elves are fatally allergic to all metallic substances, including iron, steel, nickel, copper, brass, adamanite, and silver, but excluding mithril. Whenever struck by a metal weapon, an Elf takes an additional point of damage from the attack. If an elf merely touches any metallic object, they suffer one point of damage. If an Elf keeps prolonged contact with a metal item (such as holding a metal bowl, or wearing a suit of platemail), they suffer 5 damage per round. Mithril has no affect on Elves.
Silver is especially dangerous to Elves, and they suffer double damage (2 points per hit, or 10 points per round) from anything silver.
The silver stuff was because.... well, the long and short of is that humans were very superstituous, elves were very animal friendly... silver hurts 'lycanthropes', and there we go. A proper superstition (read: based in the slighted of facts) for the humans and it generates racism between elves and men. Fun fun fun!