Try Precise Submitter. Its a standalone program and is not a script. Has built in page replicator/recip replicator, FTP functions, and Automated Form Filler. Warning: it is still in beta testing mode but maybe you can speed things up by reporting any problems you find.
http://precisesubmit.com/Downloads/
After it's debugged and fully released, there's word of converting the engine to support AVS, LLs, and SE's
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Traffic NOT CONVERTING? Try This -- Converts 1:30