I have absolutely no experience in CGI rendering so I'll give you the denotations I have come up with. Cool.
I love the texturing on the second one, first one's a little too noisy and distorted for me to see it clearly but it still looks cool. What program do you use?
Thanks! --The program I use is Lightwave 3D. The first is supposed to be a spaceship braking apart in midair, but the way it's framed makes it hard to tell.