Perspective: Good. Please label HL (horizon line), LVP & RVP.Any lines go downwards from your image to LVP and RVP?Speed Painting: Please read over speed painting tutorials. How does tutorial for Destroyer differ from other tutorials? What did you like/dislike about the process recommended in the tutorial you chose. Did you apply any of the steps artist suggested?
Perspective: horizon line is always the most important line. Height of HL? Just see where it intersects a vertical, and see how far that is froum ground plane. See?Lovely critter. Good sculpting with value. Integrates with space.