Um....if no one else comes through...this may be worse than Google. I was a Spanish major and studied abroad but that was all like 20 years ago now!!! I never use Spanish anymore.
Querida/Querido NAME (o for a boy, a for a girl),
Nos encantaron los regalos que nos diste. Los usaremos mucho. Muchisimas gracias por pensar en nosotros. Esperamos que ustedes están muy bien.
(Un Abrazo? (a hug) or Besos (kisses) or Afectuosamente (affectionately)),
Re: NPGR - help with Spanish?