Well, come to find out, it appears several had a hard time re-connecting with Buddah and such.

( The thing is, it appears when I'm hosting (along with not forgetting to open up my DMZ), I'm the only one who can host several people and not run into disconnect issues. However, I could not host this weekend due to being in my apartment (my apartment's internet is too secure and sometimes too slow, and just can't set it to Type 2 regardless).
Well, to tell everyone the situation:
4/12 - I can host.
4/19 - I cannot host.
4/26 - I might be able to host if I go home.
5/2 - I can host here and every weekend after that (unless I go back to my apartment the day before graduation).
This is only the case if I can get my project working and graduate college. So basically, the good news is I'll be able to take charge of hosting Warhawk and CoD4 just about every weekend from now on except one, but that's only if everything goes well.
I greatly apologize to everyone for the strange hosting. I was told my apartment had fast internet, but it was a lie for the most part (I would have paid to have gotten better internet, but it's too late).