Background image for content element

backgroundimage4ce

Allows background images for all content elements (text, text with image, forms, plugins, FCEs, ...).

Crop and Square Thumbnails

Crop and Square Thumbnails (v1.2.3) 

tkcropthumbs 

perfectlightbox

slideshow ( synslide )

SmoothGallery (rgsmoothgallery)

http://www.rggooglemap.com/dev/rgsmoothgallery.html

pdf_generator

PDF Generator

make_printlink

Make Print Link

rounded_corners

Rounded Corners

ke_stats

Statistics

w4x_backup

Full Backup

ws_imageeffects

rzcolorbox

<dl class="ext-header"><dd>jQuery Colorbox Extension key ( rzcolorbox )</dd><dt>he extension includes the jQuery ColorBox for images, which is a nice-looking alternative for the allknown Lightbox.</dt></dl>

wt_spamshield

http://typo3.org/extensions/repository/view/wt_spamshield/current/