
I played around with one of my own images with the image editor Tiltshift- lots of fun, though I'm not sure how it could be useful for a library!
I've really enjoyed participating in this Learning 2.0 activity. I was familiar with most of the tools, but it was good to be able to think about how these tools could be used in a library setting. I've also enjoyed reading my coworker's blogs- they've had some great ideas and opinions.
I think libraries should explore new tools. Some tools will be useful for particular libraries. Some won't. Different libraries will find different applications useful (e.g. a public library could use some of the more casual tools, while an academic library could incorporate many tools on Blackboard learning software).
There are a lot of privacy and copyright issues to be considered. Anything posted on web 2.0 application should follow the same criteria that material published on the library's website in regards to respectful communication and neutrality. Library staff adding to web 2.0 applications should also ensure that copyright is held (or properly acknowledged) for any material posted.
I also think libraries should be aware that not all web 2.0 applications are going to work for that library- maybe there's not enough relevant information to keep it updated, maybe users don't view it- and be prepared to change and adapt.

I love cataloguing. I have catalogued my home collection. I have catalogued my dad's collection of cookbooks (he is a caterer and thus has bookshelves upon bookshelves). I also catalogued the collection of my old workplace, a childcare centre. I loved cataloguing these collections. I was fortunate enough to catalogue some of the library's map collection.