Just a question!

[valadbunny.livejournal.com]

I have never posted a pic before im my posts.I just found out how to post a pic on the page,but I would like to know how to do it like most of ya'll do.When the word is bold and you can click it and it shows you the pic! example: (pics are here) I dont know how to do this.If someone could show me I will post a pic of what i have been working on.TY all in advance!