Here are some of the mods I made to my frig. I made a slide system out of some drawer slides and home depot punched angle.
http://www.supermotors.net/getfile/1017108/fullsize/imag0350.jpg
http://www.supermotors.net/getfile/1017105/fullsize/imag0337.jpg
http://www.supermotors.net/getfile/1017106/fullsize/imag0338.jpg
Then I took some aluminum c channel and mounted a Rotopac water container onto the side.
http://www.supermotors.net/getfile/1017099/fullsize/cam00109.jpg
http://www.supermotors.net/getfile/1017100/fullsize/cam00110.jpg
http://www.supermotors.net/getfile/1017102/fullsize/cam00112.jpg
Here it is in action
http://www.supermotors.net/getfile/1064633/fullsize/20150801_184917.jpg
More pictures
http://www.supermotors.net/registry/15209/82976
http://www.supermotors.net/getfile/1017108/fullsize/imag0350.jpg
http://www.supermotors.net/getfile/1017105/fullsize/imag0337.jpg
http://www.supermotors.net/getfile/1017106/fullsize/imag0338.jpg
Then I took some aluminum c channel and mounted a Rotopac water container onto the side.
http://www.supermotors.net/getfile/1017099/fullsize/cam00109.jpg
http://www.supermotors.net/getfile/1017100/fullsize/cam00110.jpg
http://www.supermotors.net/getfile/1017102/fullsize/cam00112.jpg
Here it is in action
http://www.supermotors.net/getfile/1064633/fullsize/20150801_184917.jpg
More pictures
http://www.supermotors.net/registry/15209/82976