{I've been very busy, too, so I definitely understand.}
From everything I've read about Lovecraft, he encouraged other writers to borrow from his stories and build upon his ideas. I think this encouragement is one of the reasons why his work has endured. I'm writing my own steampunk/Cthulhu Mythos tales, a sort of alternate history, really. There are a few of what I call "test beds" in my page. Just click on the scorpion pictures: I'm still learning to present these properly. Your rendition of the "temporal" communication device has planted a seed for a story idea.
I've even read comedy that borrows from the Cthulhu Mythos. Have you ever read "Scream for Jeeves" by P.H. Cannon? In it, Cannon takes P.G. Wodehouse's Bertie Wooster and Jeeves and thrusts them into Lovecraftian adventures. The resulting pastiche is a lot of fun.
He also wrote "Pulptime" in which Lovecraft meets Sherlock Holmes.
And I agree : gamers do seem to be the circle that is expanding Lovecraft's universe the most. You do end up with a lot of versions you can accept or ignore as you see fit.
I'll have to go through your collection again, but I can't recall any artist that has done an interpretation of the "Outer Ones" Lovecraft described somewhat in "The Whisper in Darkness." I've always imaged an insectoid being of sorts. The containers they used for conveying disembodied human brains, and the devices that could be connected to the brains to give the senses and speech always sounded interesting, too. I don't think anybody's done an interpretation of those, either.