Fresh off the Posterous feature train is a fun new way to share your photos with friends, family and the world.  Now anyone can easily view a full-screen slideshow of your images across your entire site or those on a particular post.

Slideshows are available on both Posterous Groups and Sites and can be accessed through the Posterous toolbar or by hovering over any image gallery on your site.  You can also create and email a slideshow on the fly by adding "/#!/slideshow" to any Posterous address (e.g. http://agnoli.posterous.com/#!/slideshow)

Give our slideshow feature a spin and let us know what you think.  Because everything is in the browser, Posterous slideshows are perfect for displaying on your new TV.  And don't worry, if your site is private, only those with access will be able to view your slideshow.

Need some inspiration?  Check out the slideshows from a few Posterous sites

Baby pictures for the grandparents

Your cricket club's last social event

SantaCon explained

The cutest baby animals in the world

The most interesting park ranger in the world

Your amazing photoblog

Got an interesting example of slideshows you want to share?  Let us know

Posting photos through email makes a ton of sense since there are dedicated "email" buttons built into applications like iPhoto and Picasa. These buttons create new mail messages with the photos attached, ready to be sent to your posterous site. You can use this feature if you use a desktop mail application like Mail.app or Thunderbird.

Webmail users like Gmail users don't get this integration. Until now. I just discovered the iPhoto2Gmail plugin (there's an Aperture2Gmail plugin as well).