Ah, the digging. I notice that when Thumper digs around in towels or in the rug it’s usually because 1) she wants to tear it up or 2) because she’s frustrated either by the un-straightness of the towel or 3) something I’ve done. When it’s number 3, it usually looks like she’s trying to dig her way out or taking out her frustration on the towel. Barbie, my guess is that Leroy is experiencing number 3 and is taking out his frustration on the towel.
And about the licking, I’ve heard that they do it when they’re really, really happy with you. It’s their way of saying you’re family, the grooming. It’s their equivalent to a good petting. A couple weeks after I got Thumper, she just started licking everything, especially the bottom of a piano bench. I used to call her a dust-bunny because it seemed like she licked everything that had accumulated dust in the room. Once she became more comfortable and familiar with me, she’d start licking my nose instead, and other parts of my face but mainly my nose. It tickles so good! ^_^
Anyway, point is your bunny loves you very much and expresses that with her tongue. As said before, presenting something else to her to lick in your place like a stuffed bunny may help, so she has somewhere else to pour out all of her love for you.