Well, I'm doing this thing by what I remember of it coz Nero FuÃ§ks up all the drivers off all the other burning progs I use, so I installed Nero on my WinNT part of my dual boot system and all the other on my Win 98 partitions, and I don't wanna reboot just now, check Nero, then return to Win 98 and continue this reply (I have no internet on my NT partition and it's hidden from Win 98 due to "security" read: "virus" issues)
First thing is: I suppose you want to burn the "play" disk, you don't want to archive the image on a CDR, right (coz in that case you'll have to "rar" it before burning it)?
A) In Nero, you can select file/burn image or sumtin, then Nero only "sees" its own image files (.nrg files)
B) So you must click on the downward triangle in the file requester window and select ''All files ." or sumtin, go to the iso file (probably .bin extension) select it
C) And burn it.
Easy as A,B,C.
You might want to check the File/preferences/advanced/overburn thingie, but I doubt it will be neccesary