You can use a variety of ways, but this time we chose the best suitable plugin joomla 1.5
This plugin has several options and effects Lightbox, Popup, Slimbox, ThickBox, etc. .. also works well if you find a variety of images in articles automatically create a photo gallery with effects chosen.
How to install: Installs as a simple component, plugin or module.
How do I activate and configure: From the Administration-> Plugins -> Multihumb
Download Multithumb Joomla Plugin to resize your photos in your articles [Zip Archive – 107.39 KB]
immediately after you install it be sure to get pictures in your articles, download the cache and revisited the photo page and click on it, you’ll zoom in with the chosen effect.