Interdollars has cams2chat and a few other smaller ones.
I haven't had a chance to send a whole lot of traffic yet but its doing pretty good at 1:419 and when I can I'll be sending more. They pay 20% recurring.
For Japanese specifically
DTI Cash offers 2 webcam sites with actual Japanese models. Unfortunately the tours on both load like shit for us in North America or they'd be gold mines for the Japanese niche traffic Im developing.