See if these sites are what you are looking for:
http://www.hoadley.net/options/options.htm
and:
http://www.samoasky.com/optionoracle-image/
You could try Incredible Charts:
http://www.incrediblecharts.com/
Also Big Charts (it is necessary to type "au:" before an Australian stock code (eg au:bhp) and use the "advanced charts" for DMI:
http://bigcharts.marketwatch.com/
Interactive Brokers is hard to beat on price - there are threads on it here at ASF. If selling options, just make sure you know and
fully understand the ramifications of being assigned short calls x-div and also know and
fully understand exactly how IB handle assignment on short options IF there is insufficient funds or shares in your account (depending on call or put assignment).
PS - none of the above is a recommendation - just some information for you to decide if it is useful to you.