unique compressor and tank mounting ideas?

[69chevy lwb]

i got my tank and compressors the other day but im not sure where i want to mount them i originally wanted to run them under the passenger side of the bed but i hate to put them in so much dirt i have been thinking about running an old cooler in the back and putting it all in there and boring holes in the back side of it for air but i cant find anything thats 30 inches plus long any ideas? heres what im working with