Levente Hunyadi's free Joomla image slideshow extension, Showplus, is powered by nice sliding and display effects. 6 different in-build transitions are included. Showplus works with Mootools and includes no-flash. The extension is very flat, loads your images in few seconds. Links can be added to every image. You can also activate the integrated shuffle mode or display a horizontal or vertical navigation bar. All images can be ordered automatically by filename or modification date. The download is free. Showplus is native to Joomla 2.5 and Joomla 3.x.