The basilisk in this set has two of his eight feet propped up on a rock, so I decided to put him on top of a rocky base insert.
After sticking him down, I realized that his feet didn't match up with the base all that well and left a gap. You can see this gap in the picture on the left.
So I used some green stuff to sculpt some
little rocks underneath him to make it a better fit.
I picked my colors based on his Monster Manual description, which indicates that he should be brown with glowing green eyes. And here he is....