The iboats forum moderators are excited to announce that at this time it appears the iboats forums posting pictures function is working once again. Though we cannot promise for how long, we're hoping for indefinitely.
I don't know what the equivalent is, but if it is asking for non-detergent compressor pump oil, I think you can get the Kobalt stuff at Lowe's. I use it in my Speedaire pump and it works fine