I need help with writing Dreamcast games to cd-r.
 

I downloaded 18 wheeler, and burned it to cd with disk juggler. But i dont think i did it right, because i dont think it was the right format and i dont know what the right format is. I also have the bootdisk for it so that's not the problem.

Also I wanted to write movies to cd-r into video cd format, so if you can help me with all of this, please do so and be specific.

Yo... Could you please tell us what was the extension of the file? .bin. cdi .nrg .iso or anything else.
If it's a selfboot image, you will usually manage to burn it in DJ with these settings in Advanced: mode 1 2352 and cd xa

it's in cdi. format