>
> Betty,
>
> Since you are using Photoshop, under the Image Menu/ Image Size  
> "Resampling" is one of the options to use when manipulating an image. 
> If for instance you want to reduce the DPI from 300 to 72 but not 
> change the display size of the photo you would select "Resample"
>
> I don't have Save for Email in my Photoshop (CS2 several versions 
> behind the current) so I use Save for Web. Then I can select a 
> "Quality" level. Quality and Compression are inversely proportional. 
> The lower the quality the higher the compression (and the smaller the 
> file). Even at high compression (lowest quality) most photographs 
> will look fine on the web or email.
>
> Any jpeg  generating program should allow you to choose the quality 
> of the result.
>
> John