There are many quotes plugins out there. This one has been started by me (Shantanu Goel) with a view to have the best of features and options, ease of use and multiple sources to get the quotes from.
Image galleries enable you to conveniently view images on your blog and manipulate them. Here are some really hot ones! NextGen - allows you to create multiple slideshows on your site. Photo Space - adds any image attached to a post or a page to the gallery.