How To Create The Best Invitations I Design Invitation & Would Like To Know Best Place To Have Them Printed And Where To Find Clip Art.?

I design invitation & would like to know best place to have them printed and where to find clip art.? - how to create the best invitations

I am interested in my own invitations and announcements of the company. I have a lot on how the photos together, but I want to know where some cute clip art for weddings and baby get a shower, etc. .. I also can not find my own print shop and need a place for print. Any other information you have, as you create invitations would be wonderful.