I've been making things such as this lately;

This is the only one I've got copied and on my computer, but the others are a lot less 'thick', you could say.

As in, I use thinner lines to create a circle with tendrils below it. In the circle I lay colors in a flowing manner, giving the illusion of movement within, and I use colors that complement each other very well. Also, the border is just light blue cardstock I found in my school's art room, so there is no variation with that.

(but the light blue looks good as a border on everything of this sort I've created so far)

 

Nifty. Gives me a very H.P. Lovecraft vibe.....

 

You're the second person to say that! Can you go into more detail, though? One of my favorite aspects of being an artist is simply to hear others' interpretations.