Hi Xeron!
I made some test with an old stuff: SceneGenerator.
Looks like blitzen has a great effect of the preview render function, but not perfect at all.
Mail me privately if you want to test this program on your own.
Here is some shots that discribes your achievments and the fault.
This is an uae screenshot:
Here is how it looks like without blitzen:
And here is taken after running blitzen: