1) The colors for almost all lancasters in WW2 were identical. That toy doesn't really have good colors.
In-game:
2) Those Ar234 pritings are such astoundingly bad quality as to be useless. Going off of the text:
light blue with oversprayed green splotches:
standard green/green splinter camo with light undersides:
And a variation with lighter green shades:
3) That picture is of a B-25J, which we don't currently have in AH.
We DO have the B-25H, and these colors are already on it: