You can complete the card in the original 300 dpi size.
When you're finished, flatten the image and then go to Image > Size and change the resolution to 150 dpi. Then change the height to 500 pixels. The width will change automatically:
__________________
Cassie
My Gear: Nikon D300s w/18-200mm VR & 50mm 1.4
Software: Adobe Photoshop CS4, PSE 9, Lightroom 2
 
|