I was able to successfully install the single-file upload mod in DB SQL 1.02. I find that it works well, however I haven't figured out how to have it delete the associated image when a record is deleted. When I ind the solution, I'll post it. until then, try the mod at:
http://webmagic.hypermart.net/dbman/mods.htm#imgup
http://webmagic.hypermart.net/dbman/mods.htm#imgup