Images by definition are visual. So when searching and locating images its best to do it in the most visually stunning way possible. That's where Cooliris browser plugin comes in, with its 'infinite wall' you can view photographs and videos both on the web and your desktop.
So you've got a few RSS, Atom, OPML feeds or any combination that you want to bring together into one place, perhaps into you portal. Well bringing them all in individually can actually take some time. What about bringing them all together beforehand? This is known as aggregating. Doing it this way can save you time, and makes the aggregated feed more portable; you can easily stick it into somewhere else, a blog for example.
The service I find the easiest and most useful is xfruits.
There are some very good free screencasting options, so you don't need to shell out a fortune to capture your onscreen activities and audio when you want to make that 'how to' video.
The question you need to ask yourself is, "Do I want to download some software to my desktop or do it online?"
You pays your money (zero, zilch, nothing, nada) you makes your choice.
Well here are a few of the ones I've used and found to work for me.
Download option
For Open Source it has to be CamStudio. This pretty much does all you'd want; you'll need to configure it to achieve the right output.