BEST SETUP FOR MAME SCRAT TV

[jackiabu]

HI

I USE A GRUDING TV 9250 TO MY ARCADE MACHINE
I HAVE ALL SO ARCADE VGA2 CARD
I BUILD A CABEL CALLED VGA TO SCRAT ANYWAY ,I follow the order in the ultimarc cd
about res of the arcade vga2 card. iam now use mame 32 but i see the pixel big!!?
is that is suppose to be?? then i try strech hardware i know i sholud not do that
but i see the pic blur.!? any suggestion how to set up my mame??

and one more thing i have a problem whit my ovescan tv is out of the screen.
for that i need the code for my tv. any one know a good site in the web that can help me???

THANKS  JACKI