Resizable grid of thumbnails

[Simon Lord]

One of my many faults is a lack of intense math skills.  So when I hit
the math *wall* I ask for help or samples...

In this case, I'm looking for a sample stack that can show 20+
thumbnails and be resizable.  As the stack is scaled up (wider) the
top row of thumbnails increases thus reducing the overall number of
rows which displays the thumbnails.

Ironically, in HTML I only have to assign the style "float: left;" to
each thumbnail to achieve this.

Is there something similar or does it require gobs of math to
calculate the loc of all thumbnails?  If so, anyone have a good
sample?

Thanks!