improving my connection, please Help!!!

[Johnmedia]

Hi! Sure this question has already been done before
I have three projectors currently connected to an Edirol V4 video mixer via coaxial and computer to the V4 by s-video connection. sure there are any better than this distrubution?? I need help suggestions what I need??
we are a church that started in Mexico and not have enough budget
with this is what we have ,tanks!!

2 camcordes GL2
1 Sony VX2100
with coaxial cables

Edirol V4 Video mixer
4 LCD TV

3 Optima projectors 2800 lums
coaxial conections

Easywordship
PC computer
DVD recorder
S-video to mixer