there are also a lot of photo album'ing type programs out there. almost all the major photo players have one, HP, Kodak, Polaroid, and so on. check there websites for freebies. i have several i've collected over the years and use none of them

i just use Paint Shop Pro's file management. but album type programs shld allow you find all your pics and file extensions and arrrange them into the album how you want, without removing them from their original locations on your drives.
Craig
edit: and btw, the wildcards in gary's and camaraken's examples will also return 'dogbone', 'dogbert', 'green4', 'green5' and so on. not saying they arent handy and useful, but they do have limits.