Hi there! You did a good job stylizing the dolphin into a simple yet recognizable shape, and I like the pose you gave them :) Something that can help is transforming the dolphin photo into not just a more simple outline, but breaking it down to its core components. So the main body, the beak, and fins would each be their separate, simple shape. This helps make new poses more manageable as you deal with shapes more easy to envision in different positions and it also helps with character design as you can play around with proportion and exaggeration of these shapes.