Which ones don't work?
I am also having trouble with videos and links, but only on my ipad I, so I'm trying to figure out if we are seeing the same problems.
Here is a video on how to quote:
@rancher hicks ,
The above video and two more quoting videos are here - Video and Picture Tutorials
That thread also has videos on posting pictures.
Mobile is much trickier. :( Just let us know what you want to find and we can find links for you until you get up to speed. :D And try landscape mode on your phone, I think that works better than portrait.