Before adjusting your bids, you need to analyse performances by Feed (traffic source) and by SubID.
Enter your bid adjustment by feed (traffic source)
Bid by SubID
Login to https://login.yeesshh.com/advertiser/login using usual login and password.
Campaigns / Campaigns
Tab "subID" / "create" / select Feedid, enter subID and bid adjustment. To enter another bid adjustment, repeat on "create"
How to adjust Bid
You may adjust bid to gain traffic and be more competitive. To do so, work out from the "position" parametre (see more on "Campaign Optimization" tutorial)..