in case anyone else is interested, "DVD Flick" worked, but with 2 issues.
1) The video files I am starting with are widescreen, and the DVD made with DVD Flick is 4:3. Thus, everything is distorted (i.e. people look very skinny), because the screen proportations were changed. I can't find any option to change from 4:3 to the 16:9 widescreen, so I'm out of luck.
2) It took 11 and a half hours on my computer at home to convert the mp4 file to a set a files in a VIDEO_TS folder that was ready to burn. This is most likely not a fault of the program, however, and more of a result of my 8 year old desktop at home.
So, after a bit more looking around, I came across "DVDStyler". I put this on my work computer (quad core Xeon W3530 with 12gigs of RAM), and I can convert the same mp4 file to a DVD image (.ISO file) in about 20-25 minutes. Also, it lets me choose 16:9, so the end result looks much better as well.