It just takes time to figure out all the functions. work on reading the thread sections that are interesting to you and as you read their will be things you come across that will give you ideas of what this forum can offer for you and how it functions.
You can posts pictures after you have posted 10 times. YOu can either upload the photos under uploads on the blue tool bar(limited amount of space for your photos) or you can use a photo bucket service and just copy and past the link to your post for people to click on and veiw.