Even though I use Adobe Lightroom to manage photos, I keep up with the latest version of Google’s Picasa which can be downloaded here.
For most people this program offers all the features they will ever need to tag, organize, edit and share their photos. In release 3.9, as part of their push to Google+ they have added a “Share on Google+” button which will upload a photo or group of photos to an online album. Easy and convenient.
This is what it looks like: