I / We noobies need basic instructions on how to make plugins for elgg please be very very very basic

Hello i have been researching on how to make plugins for elgg and for 2 months have not found a tutorial or any sample plugins or plugins to make plugins that are clear and basic so i can understand how to make plugins. Can anyone please give me some links or advice on how to make a plugin and be very basic please so i can understand how to do this as so far i do not understand and the instructions i could not follow all i need is a good tutorial and some good advice and i can make plugins, i already have edited plugins lots of times but now its time for me to to start making plugins as i do not feel i am good enougth to be a elgg user uintill i have made some originl plugins. 

thank you any replys would be most appreciated : )