Recommended Image Format & Dimensions
Recommended Image Formats: PNG, JPEG, PDF
Recommended Image Dimensions: 1280x720 (720p) or 1920x1080 (1080p)
Recommended Video Encoding Settings
File Container: MP4
Recommended Video Dimensions: 1280x720 (720p) or 1920x1080 (1080p)
Recommended Bitrate: VBR 2.0Mbps - 2.5Mbps
Recommended Frame Rate: 29.97fps
TV Standard: NTSC
Helpful Links / Hints
Free Online Conversion Tool
You can use free online tools like zamzar.com to convert your PowerPoint, PDF, and other files to JPEG images. Simply upload your file, select JPG as the format to convert to, enter your email address, and click Convert. You will receive an email with the converted images.
Those are all of the recommended settings for power point, video, or picture.
How to change the size of PowerPoint slides
Save as JPEG Using PowerPoint
In some versions of Microsoft PowerPoint, you can save easily save your slides as JPEG images without leaving PowerPoint. Simply click on File > Save As, then select JPEG (.jpg) from the "Save as type" drop-down menu. You can then upload these JPEG images to a Slideshow template.
Upload videos to youtube, and use the hosted address on youtube, and use the youtube template, to stream the video.