A group I belong to on Facebook has a 'challenge' running, I missed January but did the February challenge.
A photo is given and everyone puts their own spin on it, there are no winners nor losers but instead you can learn a lot from others interpretations, here is mine;
I am reasonably happy with it, some bits more than others :-)
I also followed a video where the artist used a credit card to scrape out rocks in a landscape. Once you get the 'dampness' right it works quite well..
Arches 140# CP paper,
Signo white gel pen,
Noodlers Carbon Black,
Pilot Metropolitan Fountain Pen,
Escoda Prado Brushes,
Escoda Reserva Kolinsky Sable Brushes,
Curry's pallete knife,