Well, I found the first story. It's called "First Class Post" and is written by Feline, and it is still excellent. It's available at Utopia Stories.

Now, if someone can just take the time to help me find the second one, that would be perfect.

I'm also looking for another story. A couple gets married and then something happens before they can consumate. The wife is tortured and such, and in one memorable scene, something is injected into her pussy lips causing them to swell, which not only prevents anything from entering her (an effective chastity belt, as it were), but also has the effect of her lips rubbing against her clit as she walks, keeping her helplessly aroused.

Any ideas?