I used Popvideo out all the time for CT7 because of its transparent background  because the two actor feature was removed from CT6.
I could have multiple characters on screen with popVideo but now I cant do that either using the great technology in CT8. 

| Windows 11 64bit / iClone7 Pro / Headshot Plug-in / Character Creator v4 / Perception Neuron Profile for Motion LIVE 2D Plug-in/ CrazyTalk 8 Pipline / FaceFilter v3 PRO / Cartoon Animator 5 Pipeline/Serif DrawPlus X8 / 3DXchange 6 Pro / WidgetCast PRO / DP Animation Maker / PopVideo 3