Or view someone else's Web pages and use View: Source to open a copy. Edit as desired and save.
Icons, balls, and lines can be found at: http://www.uvm.edu/icon/
Some Clip art can be found at: http://clever.net/graphics/clip_art/clipart.html
And don't forget that you can always link to any image on the Web by including it's address in the "img src= " tag. Find the address with Mac Netscape by pointing to the picture and holding down the mouse button. Then choose "Copy this Image Location." Find the address with Windows Netscape by pointing to the picture and pressing the right mouse button. Then choose "Copy this Image Location."