Share 'Help needed:First steps to create a widget.'

Hi I never used ning before so I´m absolute beginner. I like to write a new widget. I will add this widget in my ning structure under the folder widget. how can I use my nice looking widget? where I have to put some code so that i can see it on an specific position?? What things are importend to do to create one. I read the Hello World Widget but how can I use it? How can I see something from…