Flickr, one of the biggest social photo sites around has a really useful mapping tool. You can view photos by location and it knows about many places in Ireland! Pay Cork a visit and click on some of the markers. You might recognise some well known spots as well as discovering a few new ones too.
I tried searching for Mallow as well. It is found, but I wasn’t able to link directly to it because the link didn’t work. Search for “Mallow, Cork, Ireland” in the box provided. There are a few photos there for your perusal.
If you’re interested, I wrote a bit more about exploring Cork on my own blog too so take a look there for links to other locations around the country and a few more photos I found around Cork.