Check this out:
"Convert presentations to VHS or DVD video"
http://pptfaq.com/FAQ00156.htm

Dear:
If you want to burn a PowerPoint presentation to DVD to play it on TV, just
follow below steps:

Tools:
1. PPT2DVD free trial
Direct download: http://support.wondershare.com/stat/?action=down&id=1&sid=4
More Info : http://www.ppt-to-dvd.com/ppt2dvd/overview.html

2. a dvd burner

Steps:
1. launch PPT2DVD and import your PowerPoint presentation in PPT2DVD
2. select the needed configurations for your presentation
3. burn the converted file to DVD with PPT2DVD or third party tool such as
Nero

NOTE: pay attention to these features because they affect the final playing
results:
---norm: NTSC PAL
---video aspect: 1:1 4:3 16:9

About the animation and music
This program supports the conversion of most transitions, text animations,
graphics animations in PowerPoint Music can also be well preserved in sync
with the slides.
For better conversion results, it is recommended to add the music after
conversion with the" add background music " fearure in the program.

Note that ,if your PowerPoint file is too complex,pls choose 'Record volume'
in the advance setting,and do not make other noise sound when converting,for
it would record all your music and sounds playing.

and a tutorial about creating photo slide show with PowerPoint
http://www.ppt-to-dvd.com/forum/viewtopic.php?t=1419
and some free PowerPoint templates
http://www.ppt-to-dvd.com/free-templates.php?sid=4
http://www.ppt-to-dvd.com
Note that in this way you can get a DVD and you can control it use a remote
control.