sump question

[mountaindew]

I just purchased a corelife protein skimmer and I have to put it in a sump because it doesnt fit on the back with the lid.With this do I need a seperate filter system or just the skimmer.Also,does anyone have a diagram of the set up of a sump with the skimmer

 

[fijiwigi]

http://www.melevsreef.com/acrylics/sumps/glass/index.html

 

[ccCapt]

Here's a pic of my CSS 125 "hanging on the back" of my 20g long sump. You can see it on the far right.

 

[mountaindew]

all hooked up and doing fine.Thanks to all