Vector tango dancers. Currently people’s figures are very popular vector files among vector stocks and designers. Because it is not too difficult to draw them and use, but they can make you graphics look really good looking & attractive. Just surf designer’s portfolio you’ll see all kinds of silhouettes: teenagers and grown-ups, children and kids, gents and ladies, but most popular vector pictures are: girls, business man, dancing people. Use human contours wise and it will help you to tell hidden essence of your design message.
Vector files can be edited in various graphic programs, for example: PMView, Macromedia Freehand, Photo Styler, Xara, Corel Draw, and sure All Adobe programs Illustrator, Indesign, Photoshop etc. can be used to open and edit vectors. Illustrator CS3 my certain decision!