Attempted adding brick-built lining to my Thomas model

I find it a marvel of people able to make brick-built lining look good, but I don't really like how it looks here. I had to raise the side tanks up by a plate to even make it fit, and there's a chunk of blue underneath the extended portion that's too thick for my taste. I didn't even attempt the boiler or window lining cause the former would be too thick, and the latter would be touching the red that's already there. I am proud of the fact that I was able to even make it, but it's a...