I am planning to put up some cameras and wanted to get people opinion on placement.  
The system i am using is the Laview LV-KN988P84A4 (http://www.newegg.com/Product/Product.aspx?Item=N82E16881183059) with 4 cameras. 
  
camera specs are as follows: 
Image Sensor: 1/2.8"  
Lens: 4mm  
Viewing Angle: 85 Degrees  
Recording Resolution: 1920 x 1080  
Interoperability: ONVIF, PSIA, CGI, ISAPI  
Operating Tempurature(F): -22~140 degree  
Power Supply: 12V DC,PoE(802.3af)  
Weatherproof Rating: IP66  
Indoor / Outdoor IR range: 100 ft. 
  
Here is a layout i made in paint and wanted to see if this was good placement. 
 
I am open to getting more cameras as i know 4 is not enough.