If you save them as multiple, ie each will be one pic, then it depends on the resolution of the movie.
Cannot be altered without another program where you have to import it and change the size.
With Microsoft usually comes Paint you can use to change size.
I have with my Officepackage installed Photo Editor.
Used that to crop the image.
With my latest machine I got PhotoImpact delivered.
Photoshop mimic but in the free version limited abilities.
For those multipel images to create one image, I use the program attached.
No textedit just bang images together.
EDIT: Just tested to use it as a size changer for an individual pic and that works.
Limited to 1000x1000 pixels though./EDIT
Save as File then you will get the window I have attached.
There you can set the size and layout before saving.
Also you can edit the textinfo and placement of the info.
Those are my standard settings.
Only the number of frames horisontally varies for me.
Til lycke
/svinto [URL=http://imageshack.us]
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[URL=http://www.casimages.com][/URL]