Earlier this year, I found out about a fun challenge called Inktober. Artists all over the world do one ink drawing a day in the month of October to expand their skills with the medium. I couldn't resist joining in (though I decided not to be strict about doing drawings on the weekends, which is why I only have seven drawings by October 8th).
You can follow along with everyone's work at the Inktober tag on Instagram. Also, this week's prompt at Illustration Friday is "Ink" (which is what inspired today's drawing), and there are some great ink drawings over there, too.