Grayline, Creek Bank, Blue Water, Keep Alive, Homemade etc....... 1. Where are you placing in the boat (after all they are heavy when full) 2. What size 3. Round or oblong 4. Lessons learned 5. Advice 6. Self Contained or fed from River/lake with a pump Don't see a lot of 'real world' info and pics out there. Let us have it here on BOC. Pictures would be especially awesome!