It is sad, but when this info first started coming out it was announced that Walter Reed could not accept these cards and if you go there, they had an address you could send things to - basically is was an internet myth for the recovering soldier thing but there is a way to donate, from what I remember in other threads back in Oct. Nov. if you look at the Walter Reed site.
here is a link to one thread stating don't send...
Forums at Splitcoaststampers