Done that before. Did'nt (never have really, since film days) get much print sales so usually (less BIG Wedding/request) do the cards anymore but still the gallery and Smugmug is great for that.Now THAT is a great idea!!
As for BluDomain. Seem's it's 50/50 on love/HATE.
I went for another due to that. Also, for small fee the provider I went with includes a "mirror" html site.
Speaking to "guru" at weekend. You can put meta tags in gallery pages etc. on flash sites which will attract the web spiders. Comp. I am with even has boxes for this.
One thing may wanna keep in mind. The web arachnids get Excited about "changing" content. You need only change a comma, capitol letter etc. but they see it as "change"