Searching for thumbnail photo gallery as a widget

I have gone through this site and did not find what I was looking for, hoping someone can help me. I would like to put a thumbnail based gallery in the sidebar as a widget. I do not want a slide show or a gallery that lists the images vertically, I need a horizontal, with several rows of images as a gallery, running down the sidebar. Does anyone know the name of a plug-in that would handle this? I have downloaded and tested so many and still can not find one. Thanks for any help you can offer me.