I made a tree for an aunt, which was designed to show all the family for several generations forward and back. The branches are labeled with the children's names and the leaves show spouses. The roots of the tree are the ancestors. I did this originally in Freehand (Macromedia) as a vector drawing, and had it printed for framing. I'm sure most of you could do a similar one for your own family, either in a drawing (vector) program or a paint program. Here's the one I made:
Hope this link works correctly.