hmmm...basically we can create vectors using software which enables creating vectors and other high resolution images.so where we can find this vector softwares (dont worry).you can buy a well advansed vector graphics software (i.e) corel draw or adobe illutrator . or can get simple An Open Source vector graphics editor, with capabilities similar to Illustrator, CorelDraw, using the W3C standard Scalable Vector Graphics (SVG) file format. INKSCAPE (32.4 mb).the software is still under developement but i must say its one of my favorate and also very easy to understand graphic desgning tool.