If you are finding a highlight solution to display pictures from Flickr on your DNN website, the "Flickr Feed widget" module will be exactly what you need. With the free widget, it is easy to integrate the Flickr feed into the sidebar of dnn blog to build a thumbnail gallery that will display full-size photos in ColorBox.
Out of the box, you just need to specify the public Flickr account info (userid) and this dnn widget will do the rest for you. Moreover, you can control how images are displayed from widget settings panel, such as Number of displayed pictures & whether to integrate with ColorBox plugin. The asynchronous mechanism to pull pictures also let your dnn website avoid critical website load traffic. No API involved, no complicated code. Have a look at the screenshots below:
Pictures list with thumbnail overview:

Widget settings panel for configuration:

How it Action
Flickr Gallery with DNN Blog
Note: Please note, this module relies on Flickr's public profile API and it can only list the pictures of public account. This widget is unavailable for private accounts.
Next we will enhance it with better user experience as follows:
1) Multiple sets
2) Template-driven and configure it easily in the interface
3) Include the extendibility to be completely customized with lots of different look & feel based your expectations.
4) Lazy loading mechanism with high performance
5) Paging
BTW, as you noticed, it was implemented as one widget module for our core product - Ultimate DNN Blog Module SunBlogNuke. So if you are our clients of SunBlogNuke, twitter feed module will be free to access in the download page of our website. If you are not now please feel free to join our community and will be surprised. :)
Related awesome dnn products implemented by our company:
Would you like to build total brand blog for your company website or clients? Congratulations, the SunBlogNuke module is your exact choice.

SunBlogNuke is the ultimate publishing tool for DotNetNuke (DNN) websites, with a focus on simplicity, ease of extensibility, web standards and usability. It includes a great suite of modules for blogging on your DNN site.
SunBlogNuke was born out of our own desire for a better blogging platform. Our modules will have your blog up and running in a snap with loads of interactive features.
See Plans & Pricing » Or Take the Tour »
If you have any good advice about our products, please feel free to leave a comment or contact us via email. :)