Looking good, pretty tidy, the storm bolter looks great.
I would suggest getting another model and experimenting with thin washes, highlighting and dry-brushing. They're pretty good techniques for showing up model details and adding real depth to a paint scheme.
Also perhaps try thinning out the paint a little more on the base colour.
All in all though, much better than many of my early painting attempts.
Experimentation, practice and a steady hand are really key to getting good at painting.
Good to see the terminators coming along, and thats not bad highlighting for a first go I have to say!
Basing them up will make them a real difference too
How do people recommend painting white over a black undercoat? Paint it grey first?
Don't tbh. If you want a white finish then a white undercoat is really your only option.
Painting light colours such as white and yellow on black means you have a to build up a large number of very thin layers. I do this for some Brettonians I am painting for a friend but mainly because he had pre undercoated and I did not want to do it again or strip them down.
All mine above are painted over white undercoat.
STOP JUSTIFYING IT PEOPLE !!!!! ��