here are some cutoms i wanted to show

That was an epic mod, but its paid off in the end, looks pretty good.  Were you aiming for a 'King' class or 'Hall' class type GWR engine?  It looks closest to one of those so long as you don't count the number of wheels

I would totally agree about the comments regarding cheap paint, it is really a false economy.  My suggestion would be to find your local games workshop stockist, their paints are superb and work lovely with brushes, done carefully you'll avoid brush marks pretty easily due to the way the pain flows.  Sure it seems expensive as those little pots look expensive in comparison to the large bottles of acryilics you can buy elsewhere, but believe me those little pots can go a long way and give far better results which is the main thing.

Keep it up, what's next on the agenda?