Some traffic trade scripts (not all) feature a function to trade with a toplist, instead of skimming gallery traffic.
You can even get a toplist-only script to trade only with a toplist. You can search for those scripts in google.
A good traffic trading script, such as
http://gbscript.com/ (recommended by me), features a nice option to trade only with a toplist, too.
Another good script is
http://www.proton-tm.com/.