Hmm not much of a download manager.
I wrote my own a couple of years ago, and my service calls went down by 80%.
I would not be without it now. to the point it is the first thing my customers download.
most of my files are > 3Meg so its is worthwhile
it goes like this
user clicks download link
small exe (~19K) is downloaded to their machine
it checks to see if manager is installed, if it is it hands the job over to the manager
if not the manager is installed and automatically picks up the job.
Much Much Much better then getting countless emails about corrupt or incomplete downloads.
also prevents users from downloading the same file 20 times
all in all