Code:
LoadPlugin("C:\encoding\mpeg2dec2.dll")
LoadPlugin("C:\encoding\Decomb.dll")
LoadPlugin("C:\encoding\GripFit_preview.dll")
LoadPlugin("C:\encoding\blockbuster.dll")
LoadPlugin("C:\encoding\legalclip.dll")
LoadPlugin("C:\encoding\sampler.dll")
LoadPlugin("C:\encoding\dustv4.dll")
LoadPlugin("C:\encoding\Convolution3D.dll")
AviSource("D:\encoding\CoorsLight.avi")
LegalClip()
FieldDeinterlace()
BicubicResize(512,464,0,0.6,0,5,512,453)
PixieDust()
Convolution3D (0, 32, 128, 16, 64, 10, 0) #preset="vhsBQ" didn't work
BlockBuster(method="noise", variance=2, seed=1)
AddBorders(8,8,8,8)
LegalClip()
#Sampler(length=24)
## MPEG size = ((Total frames/MovieTimeInMinutes)/24) * MPEG sample file size ##
This combination of filters worked very good for me. Here's a sample
CoorsLight.mpg
I recorded a football game to vhs with EP mode- it came out very noisy and had rolling interference lines. I captured at 528x480 with huffy codec. adjusted brightness, cropped, cut out the
bad frames 
, saved to huffy avi again and encoded to kvcdx3 with the above script.
.
