Recommended settings for blueMSX to get the most realistic image (in my opinion).

Options->Settings->Theme: Select Terminal theme

After that

Options->Video

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"Terminal Fallout 3 (Green) 1.0"

Monitor type: Green
Monitor emulation: Noisy Y/C cable (sharp)
Gamma: 1.17
Brightness: 0.69
Contrast: 0.88

Horisontal Stretch: OFF
Vertical Stretch: OFF
Scanlines: ON 50%
RF-Modulator: OFF
De-interlace: OFF
Blend consecturive frames: OFF
