Here is an attempt to convert the Aldran Giant. Please give comments.
Aldran Giant Level 13 Skirmisher
Large natural humanoid (giant) XP 800
Initiative +7 Senses Perception +11
HP 131; Bloodied 65
AC 27; Fortitude 25, Reflex 26, Will 24
Spear (standard; at-will) ✦ Weapon
Range 10/20; +18 vs. AC; 2d8+6 damage.
Club (standard; at-will) ✦ Weapon
Reach 2; +16 vs. AC; 2d8+4 damage.
Lightning Strike (standard; encounter) ✦ Lightning
The Aldran Giant conjures lightning and hurls it at a foe. Range 20; +18 vs. Reflex; 3d10+6 lightning damage.
Clinging Vines (standard; encounter)
The Aldran Giant causes grass and weeds to grow and entangle a target (this ability can only be used in an environment with some vegetation). Ranged 10; +15 vs. Reflex; the target is immobilized until the end of the giant's next turn. On a hit, the Aldran Giant shifts up to its speed and makes a melee basic attack against the entangled opponent.
Alignment Unaligned Languages Giant
Skills Nature +10
Str 19 (+10) Dex 22 (+12) Wis 9 (+5)
Con 19 (+10) Int 12 (+7) Cha 12 (+7)
Equipment leather armor, greatclub, 3 spears