what i am trying for is a dot with crosshairs.

what are the dynamic crosshairs for?

The dynamic crosshars are the default setting in the game. Some server-side mods, such as AWE realism, allow the server admin to choose to have a colored dot in place of the crosshairs, make the crosshairs static, or both at the same time. That may be what you've seen in the past.

like this?? this is my setup now in config_mp

seta cg_crosshairAlpha "1.0"
seta cg_crosshairAlphaMin "0.7"
seta cg_crosshairDynamic "0"
seta cg_crosshairNoGun "gfx/reticle/hud@center_ads.tga"
seta cg_crosshairSize "48"
seta cg_currentSelectedPlayer "0"
seta cg_currentSelectedPlayerName ""
seta cg_cursorHints "4"
seta cg_deadbodyque "32"
seta cg_descriptiveText "1"
seta cg_drawCompass "1"
seta cg_drawCrosshair "1"

As I said before, I think that the dot sight is something that has to be done server-side. It should automatically override what's in your config file.

thanks for your help, it works great now