Most recent versions of myFlickr for Joomla! 2.5.x and 3.x
myFlickr is a compact, yet very powerful plugin that enables you to integrate your Joomla! websites with a very popular flickr galleries.
Password 2 Download is a compact module for Joomla! 1.7, 2.5 and 3.x that provides password protection for your download links.
Language Changer is a simple system-plugin for Joomla 1.7 and 2.5 that presents alternative and simpler approach to multilingual websites.
Where joomla native language support is an elegant and quite effective solution for big, enterprise websites with redundant content (same articles with multiple translations ) it doesn't offer anything really simple for websites, where different languages are used pararelly. ( for example this blog, where some of the contents are written in polish , and some dedicated to wider, inbternational audience, in english).