the rules are this:
- decks which bear weight must be 3 pixel thick (on most ships, these are actually 3 pixels in our scale, so for clarity this is an good rule)
- everything that is solid needs to be outlined in black (hull, superstructure, flagpole etc) 1 pixel lines for poles and masts are allowed, 2 pixel lines are frowned upon but allowed if neccesary (they give black blobs)
- this results in sometimes over or understating of details
ratlines, rigging etc is all up to the artist. look for example at my favorite sailing ship drawing I myself did (others have made nicer looking ones already, every time a new one gets drawn somebody finds new ways to make it look better)
http://www.shipbucket.com/images.php?di ... 0Irene.png
on this drawing, all standing rigging is included but very little of the running rigging because I chose to draw her without sails attached.
so all in all, I think you are perfectly within the rules, I only look a bit worried at the upper mast parts which look very dark due to 2 pixel lines. that, I think, is the only concern here, but I doubt it would be an real problem for uploading (I am not the one who decides any of that though, so all I said above may not be exactly the rules kept.