Brilliant InstaJoom 2 is FREE Joomla Instagram module (for Joomla 2.5 and later) that displays you recent images from the Instagram. You can see how it works on this page (look right, "Instajoom module").
You can read more information about "Brilliant Instajoom 2" and download it now from the module's home page.
Installation instructions are here: Installation instructions
If you have any questions or offers we will glad to see you on the module's support page.