Slideoo
Slideoo is a new web app for Flickr users that lets you create horizontal streaming slideshows of your Flickr photos. You can specify the albums from which you’d like Slideoo to pull photos, photo width, and the number of photos to be included in the show.

Picsviewr
Picsviewr provides a wide variety of slideshows (currently 7) for viewing your Flickr photos with more flexibility. Every Flickr user has a slideshow here. There is no need to create an account or configure anything and your preferences are saved.

Fotoviewr
You and your friends can look at your photos by clicking on page after HTML page or you can immerse yourself in a highly interactive and engaging 3D interface.

MooPix
MooPix lets you access your public Flickr photos without doing PHP, Ruby, or Python situps. What you do with it is your perrogative.

Splashr
Splashr is an application for presenting Flickr photos.

Flickr Slideshow Generator
Flickr Slideshow Generator allows you to generate the HTML necessary to embed a custom Flickr Slideshow in your page or blog.