It is robust and can handle millions of impressions a month. CGI Resource Index Man has an amazing ability to make life easier when things are difficult, and to make life more difficult when things are easy.
Most scripts referenced are free, others cost from a few dollars to a few hundred dollars.
SysAdmins, don't waste time and money writing or outsourcing your scripts, what you want is probably already here. Scripts compatible with Unix or Windows. Free For professional drawing. Ideal for flowcharts, diagrams, flyers, and presentations. Best Business Program' PC Magazine.