Image Cover Scroll is a nice Joomla module, which has the ability to showcase your images in a nice apple cover scrolling style.
Image Fader is a simple yet powerful module to show your images with a nice animation effect, with either fade and slide mode.
Lite Accordion is a nice vertical Image Accordion with vertical tabs, which slides across and shows the content within the slides and shows the title and description as well.
Multi Marker Google Maps Joomla module is the only Google Maps module, which supports multi marker points on a single map.
Vertical News Slider is a great news module for Joomla, where you can define the categories from which the articles will be pulled automatically.