If it helps make things easier for anyone, there is one thing I thought I would pass forward.
After having found out that the odd dreams I was having were Tim's way of asking for my help, I couldn't help but take action and lend a helping hand. When Tim passed, he did not "cross over" (so to speak) right away. Once I found out where he wanted to be, I showed him the way to ensure that he's where he wants to be. I can assure you that after I showed him the way, he appeared quite happy to be there.
In short, I know that he's truly happy where he is now. It's also comforting to know that he at least isn't in pain anymore. 
While Tim is nolonger with us physically, do not convince yourself that he is truly gone. His physical body may be gone, however I know that he is still watching over the family… just in a different way.