Yes looks much better. The ESC battery and motor wires look a bit small, can you upgrade them to be the same size (or bigger) than the battery wires? A tip for you is to put your receiver in a balloon or waterproof it in someway. This might help if water gets into the boat. Also a good idea to water proof your servo. You can do this by running a bead of silicone around the seams, or dipping it in plasti-dip. Also I cant see the ESC. Is it waterproofed? There is some good info at
www.offshoreelectrics.com just go there and click on the Tips and Info tab. There is lots of waterproofing and other tips that might help you. Keep up the good work.