A few months ago Terry did a review of Snapseed here. Snapseed is an image editing App from my favorite Photoshop plugin maker Nik. Snapseed is normally $4.99 but until tomorrow Friday 9-23-2011 it is on sale for FREE! Don't miss out on this awesome Photo editing App for you iPhone, iPad, and iPod Touch! You can get Snapseed for the iPhone from the iTunes store for free here: 
You can get Snapseed for the iPad from the iTunes store for free here:
can i load Snap Seed to macbook pro OS 10.6.8 or a PowerMac G5
No. Snapseed is an iOS App. Only for the iPhone, iPad, and iPod Touch. Nik, the makers of Snapseed do make desktop applications such as Color Efex Pro, Silver Efex Pro, etc. that will work on those machines.