How to present paper sketches to a remote client?

My process, at the very start, usually involves loads of back and forth feedback because I rather show the client something as soon as possible to see if I'm going in the right direction and like that not wasting much time. That's why I'm not happy having to redo my sketches in digital form to present the client because I feel it defeats the purpose of doing something quick to get feedback. However a lot of people say they prefer doing that and I also feel a bit awkward to send scanned paper sketches.

So my questions are. 1. Is it ok to present scanned paper sketches? 2. If so how 'beautiful' they must look? Trace it with a black pen? photoshop it?