Hi Evoulie! I posted how I made my flats on AmberDaze's thread here:
http://www.disboards.com/showpost.php?p=25317260&postcount=41
I actually used Powerpoint to resize and I think they came out pretty clear. In comparison to HowWeird's, the color isn't as great as his are, but in pictures, I don't think you can really see the difference unless it's a major close up. Weird used Photoshop and it took him a while to do his. Like I said in the thread, I just put a copy of the picture in Microsoft Powerpoint and stretched it there. I didn't even bother clearing out most of the background since I cut them directly on the lines. So the actual computer work was really quick. I'm very happy with the results. I hope this helps!