Searching for images feeds at takeslides , using the query  "Paris" got me into that beautiful album:
Zenfolio | Thomas H. Hahn Docu-Images | Serendipity collection 撒 ...

to create suc slideshows or other, visit takeslides.com from a firefox browser, click on "start now", then choose "feed search engine". now, search what ever you like. click on the little + icon to view the feed, then if you like it, click on the title of it and it will show in a few minutes. now to embed and customize it, click on the widgetbox button.

It's all together three clicks.