St Patrick's Day Celebration.

These four images show the effects of different amounts of JPEG compression, resulting in different quality images from the same scan. 
30% JPEG 27K bytes.
50% JPEG 31K bytes.
80% JPEG 54K bytes.
100% JPEG 672K bytes.

District Quiz Bowl Team
These three images were scanned at different resolutions and saved at 80% quality.
 75 dpi 19K bytes
 150 dpi 50K bytes
 300 dpi 156K bytes

Boy Scout Summer Camp
Climbing 100K bytes.
Rappeling 87K bytes.