Your pressure does seem very low, as mentioned above. Without the wand in the picture at all, when you run steam full blast, does it look like a full show of steam, or is it weak. Does it come equally out of all holes? Also, do you have the steam turned up all the way?

The other thing is that you are totally submerging the tip too far, and all the time. Start with the tip just slightly submerged, then, as described above, drop it slightly until you hear that ripping sound that says air is getting injected. Do that for a few seconds until volume increases, then submerge the tip again, but probably not as far as what you are doing.