Okay, for that short definitely do what I posted above. Export> With Compressor.
Make a new m2v preset in Compressor
File Format: MPEG-2
Extention: m2v
Stream Usage SD DVD
Settings:
VIDEO FORMAT TAB
Video Format: PAL
Frame Rate: 25
Aspect Ratio: 16:9
Field Dominance: Upper
QUALITY TAB
Mode: One Pass CBR
Average Bit Rate: 7Mbps
Max. Bit Rate: will be grayed out
Motion Estimation: Good (does not come into play)
Leave GOP and EXTRA tabs as is.
Then use one of the Dolby Digital Professional 2.0 presets for the audio.
Encode this and you will have an audio and video file to bring into DVDSP, author a simple DVD with that. Stay away from iDVD if you want better quality.