Best PC photo viewer/simple editor

Suggestions are welcome. What software do you like for viewing and editing photos (apart from Photoshop and its close competitors)? Currently I use Picasa. Anything better?

I prefer Picasa.

Thanks. Keep 'em coming.

Fireworks, Photoshop without bs

viewing = default windows photo viewer
editing = photoshop cc
picasa i use to view rendered images in sequence. hapo iko poa

Windows photo viwer
Paint photo editor
Corel draw

picasa iko fine boss