That video is pretty good, the Chinese weightlifters have very good technique, but there are different schools of weightlifting you have to be really mobile for the chinese type of weightlifting. Some Eastern-Europeans also have some very nice videos.
I personally, did not follow Mark Rippletoe, his advice is somewhat difficult to understand and I personally think that there are better coaches out there. If you look at the Russians and Chinese for example, they have a lot of exercises that help with your technique. For me it works better to do exercises than to listen to abstract advice, of course that does not mean that I don't take into account the advice and I try to implement it. But the biggest improvement was with exercises.
You could add some squats in your current gym, if you do some Frontsquats with a 4 seconds lowering phase, 2 seconds pause and 1 second up, you will create a lot of stability for receiving your cleans!