Point it Out( Complete Scoundrel, p. 88)
[Mental, Skill Trick]
You can show others what you see.
Spot 8 ranks,
When you make a successful Spot check, you can spend an immediate action to grant a single ally a free Spot check to see the same thing (with a +2 circumstance bonus). Your ally must be within 30 feet of you and able to see or hear you to benefit from this effect.