Any beginner who wants to learn to lead sport/bolted routes will find this video from Outdoor Research to be a solid starting point. And, even if you've been at the game for a while, you still might learn a trick or two.
Do you know the difference between a thumb clip and a finger clip?
What's the right way to hold the rope in your mouth? (Hint, it's not with your teeth!)
When is it okay to high clip, and when is it not?