It sounds like she must trust you & feel comfortable, otherwise it wouldn't work. Everyone is different, so what works for one wouldn't work with everyone.
My suggestion is to get to know her. Do a bit of 'life story' stuff, which I've started recently. Find out more details of what her turn ons, or turn offs are, her darker fantasties, & perhaps a little more of what she wants from the relationship.
We're in the process of rewriting our contract of 'slavery'- as she said we were a 'both a little eager at the time' we wrote it.
Myself I feel that there's only so much you can do physically in an online relationship- last time we got back to basics as it were.
Whatever you do, have fun & keep it a bit light. I think much of what is on sites such as - http://www.submissiveloving.com/ relates to online relationships.
Hope this helps.

Tojo