This is what CVS posted on their Facebook page:
Join us on Sunday, October 23 for our 2011 Halloween Party and Customer Event! We are offering a free gift pack to any child in costume on October 23, 2011 at all CVS/pharmacy locations, while supplies last. The gift pack includes $5 value of candy, toys, trick or treat safety items and $10 in coupons for additional Halloween products! The gift pack also includes a free 5X7 photo, supported by an in-store costume photo shoot.
Free Stuff at the CVS Halloween Event – EXPIRED