Thanks!
About following images it is interesting to me that even if the tarp is totally square it can still be closed quite nicely. I mean there is not any kind of "door" extras anywhere.
http://www.smugmug.com/photos/i-33Sf...33SfqLP-XL.jpg
http://www.smugmug.com/photos/i-hWdS...hWdSSpM-XL.jpg
http://www.smugmug.com/photos/i-vcQB...vcQBtTj-XL.jpg
http://www.smugmug.com/photos/i-Fsvf...Fsvf3gt-XL.jpg
http://www.smugmug.com/photos/i-ZWBP...ZWBPpmJ-XL.jpg
http://www.smugmug.com/photos/i-m7VS...m7VSh4C-XL.jpg
Are You ready to sleep? :)
http://www.smugmug.com/photos/i-N6Jd...N6JdJhQ-XL.jpg