How do I share my work?

I finished my first signature, now I want to share it, but its in a PSD file, whenever I open it, it goes into photoshop and loads the picture. now how do I upload this picture to photobucket to share? PLEASE HELP
i use photoshop cs4

Cant you save it as a jpeg? Also go to photobucket site. Make an account.
Are you that far yet?

no save it as png much better then jpeg

Yes I have a photobucket account, but 'HOW?' do i save it to a png file?

Save as. Drop down box. png

ok you save the file has png onto your computer then go to photobucket and go to upload and search for that file upload it then click on it on the list photobucket has then right click and click view image then copy the adress and paste it wherever u like

thanks guys i found out now.
i thanked both of u, hyak expecially for the peter griffen sig

Lol no problem.