Lightroom has some great features to keep your photos organized. One of them is the publishing services. I use it all the time for Flickr, but you can also use them for Picasa, Facebook, Smugmug, FTP, Hard Drive publishing, etc. In my video I go over when I prefer to use the publish services vs a typical export. You can check out Adobe's website for Lightroom Plugins plus I recommend others from Jeffrey Friedl.
Speaking of exporting I went over my export settings. I don't save my exported images if they are only being uploaded to the web or if I am order a print from an online printing service. I feel its a waste of hard drive space and prefer to save it whenever possible.