Found this randomly and felt like doing it! https://www.deviantart.com/mintymagic74/art/My-style-vs-your-style-challenge-789606689 27 minutes spent sketching.41 minutes spent coloring.
A quick happy punk dolphin mermaid for day 22, although technically finished on day 23. Only 40 minutes into it though. 56 minutes spent sketching.
Original art by http://www.furaffinity.net/user/chandraken/ 17 minutes spent drawing. 44 minutes spent coloring. 42 minutes spend shading. Drawing time went into adjusting the lineart a bit.
Another random line mermaid! I like this one. Turned out pretty nice. 36 minutes spent drawing.46 minutes spent coloring.