solo black video?

I've been working methodically for a year now to get my g.f. to do it. We enjoy watching porn together, so it was a simple matter to gradually bring in more interracial movies. And now it seems we only watch IR, especially Mandingo and Lex.

I got her a variety of dildos and other toys, and without it being discussed, she eventually wound up using only the lifelike Lex Steele dildo. It's like the other dildos don't exist anymore. Can you imagine what I feel when I watch my girlfriend fucking herself with that black dildo, and staring intently at a dvd of Lex hammering some tiny white slut? She won't say it, but of course I know what she is thinking.

I'm hoping to go to the next level and get her to watch some dvd's of solo black guys teasing... stroking their huge cocks, looking right into the camera, teasing with their dialogue to the viewer. I'm having no luck finding this stuff online. Does it exist? If I could get my g.f. to get off while watching such footage (no more pretending that she's enjoying watching other women get fucked... it'll be clear that she is the one who desires it), I'm sure it would be easy to suggest the real thing.

Thanks!