Well, that e-mail addy you gave me was bouncing my mail, but I've come up with something that just might work. But I still really need:
1) To implement the original auto-thumbnail code with the new multi file-upload mod.
2) A converter script that will move my old images into the directory/images (multi file-upload) format, and which would run the batch thumbnail script below on each of the directories. Breaking this down step by step, it would:
a. read the file name minus the JPG or GIF extension (leaving the ID#)
b. create a directory with the ID# as the dir name
c. move that file into that directory, and move onto the next file
d. for each of the directories, run the script below
I hope you understand this - I confused myself the first time I wrote it!

Thanks!
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Below is an attempt at a script that will batch thumbnail images. It has not been tested yet!!!!
#!/usr/local/bin/perl
my $tnsize=90; # size of thumbnails
my $tnquality=70; # quality of thumbnails
my @pics = (<*.jpg>,<*.JPG>,<*.gif>,<*.GIF>);
# create a directory for the thumbnails
system ("mkdir tn") if (!-d "tn");
my $counter=0;
foreach $_ (sort @pics) {
print $_;
system ("convert -geometry ".$tnsize."x".$tnsize.
" -quality $tnquality $_ tn/$_") == 0
|| die "Problems with convert: $?\n";
print " ... done\n";
}