One cleaver way to run the coax off the roof is inside the rain gutter and rain gutter down tube.
Another way is the roof vents , the coax goes up under the lip of the vent and into the attic.
Here are some examples of coax clips when fastening the coax to the outside Wall of the house.
In the
http://www.solidsignal.com search box type , pvccswht and gc12wht .
Home Depot or Lowes has these clips in smaller amounts then 100 clip packages.
The 4 leg tripod with one leg mount in the center is to much tripod for such a small antenna.
A 3 leg tripod will be more then fine.
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The ANT751 at solidsignal has the J mount included for $49.99