How do you rig a gulp shrimp on a popping cork so that it looks natural? 3" or 4" better? How about on a jighead? Thanks.

try this link: http://www.texasweekendangler.com/artificial_shrimp_options.htm

3" is going to be your best bet..

I throw the big chucks in rough, murky, water.

Thanks for the link/info.

Here is a more recent link than the previously posted link and it is from this web site, more up to date and also complete with photos and advice for rigging Gulp! :

http://texasfishingforum.com/forums/ubbthreads.php/topics/3261275/Re_Survey_Gulp_shrimp_rigging

This is good stuff! Thanks for the info.