This document provides background information on several street art murals located in Penang, Malaysia. It includes details on the artists who created the murals, descriptions of the artworks, and analyses using concepts from effective public communication. Murals discussed include "Evocative Mural Work" by Vexta, "Girl on a Turtle" by Ernest Zacharevic and Martin Ron, "Hand with Apple" by Anokayer, and "Air Floating Fantasy" by The Sliz. Background information is given on each artist and analyses explore non-verbal messages, codes, and other EPC concepts conveyed through the murals.