Watermark Plugin For Wordpress

Hey Guys,
Can anybody help me?

I'm looking for a plugin for wordpress that will let me insert an image I have created as a watermark.

All the plugins I have found so far only let me create watermarks made out of text in the plugin.

I have created my own watermark image that i would like attached to the bottom of my photos.

any recommendations?

I use DX-Watermark , the best with diff options and you can use your own .png Enjoy!