Image Capton

Image Capton

I've search the net and can find pieces of code with do parts of what I want, but not everything. I'm new to jQuery so don't have a clue what I'm doing but love the power of jQuery. What I am looking for is a script which will create a semi-transparent caption at the bottom of an image, the text taken from the title tag of the image and is only applied between a div tag with a specific id (in this case, "content"). I do not want to have to apply a class name, just want it applied to all images between the content div. Can someone point me in the right direction of such a script?