There are a myriad of tutorials on YouTube and several guides can be found through Google. If you use the forum's search bar, you may even find one or two.
Does your server have a whitelist? If so, you have to add everyone on to it for them to be able to access it. Are you hosting the server or is a hosting service doing it for you?
As my post would suggest, "really." On the other hand have found several IC2 rubber trees in jungles. They are much easier to spot if you set the graphics to "fast" as their leaves will remain semi-opaque and the jungle leaves will be solid. It really makes them "pop."
Most of the mod creators have their own websites and forums dedicated to their mods. You could always check those out for the "progress reports" you desperately seek.
OP, website mod have many words, have time idea, look total.
Are you meaning Redpower rubber trees or IC2 rubber trees, because I've never seen a Redpower rubber tree spawn in a jungle for as long as I've played. I'm not saying that it doesn't / can't happen, just that I personally haven't seen one.
There is some mod addon that is present in technic, I'm not sure about tekkit, that readded electric engines. There is a slow, fast, and adjustable electric engine.