Actually, the only valid settings for hunkmegs are: 128, 512, 1028 and you can only set this value to half of your video card memory (if you have a 512 card set to 128, if 1 gig set to 512, 2 gig or higher set to 1028).
Open the game and click "Mods" and double click "New_VIP" in the list.
After the game reloads, press the tild [~] key on your keyboard to show the console.
I have a 1 gig video card so I typed:
seta com_hunkmegs "512"
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