Yo, welcome to the forums. I assume you're pretty new to the show and fandom? Cause I may be out of the loop but things are still pretty bloody massive last I checked.
You mean these smileys?
They should be available just above your text box when typing a reply, just gotta click them or type their appropriate string (
can be made by just typing : ) but without the space), also there should be a [more] button that brings up a fairly massive list of lesser used ones. If they're not there lemme know what you DO see so I can offer some ideas, something could be broken for the theme you're using or something (site has a few broken things so it's not unheard of), or maybe you're using a really old browser version perhaps.
Where does it say this is a help forum though? Just curious cause it's more of a general discussion forum than anything (I actually think the FiM boards are a fraction as active as the Everything Else board, that could be because hiatus though?). Unless you mean just the introduction subforum? I guess this would be a help board, people tend to ask questions. I'm rambling. Uh, point being, I'm more than happy to answer questions or help out at all.
Go talk about anime waifus instead though, way better than those ponies.