This sux, I know by my own experience. Effin tipping funnel!
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After you cleaned the engine bay from the top I would recommend to put your car on a lift and take the plastic underbelly/engine cover off. That thing can hold alot of oil. With that removed you will get access to a fair bit of the engine and steering components. You may also want to buy a large can of brake-clean. A whole can empties fast and you can spray backwards along the oil pan so that most of the spillage comes off. The reinforcement plate is a too big of a hassle to dismount. Just leave it and use some rags and/or a long brush and more brake-clean or "simple green" to attack the spillage that may be lurking on top of that (and under the gearbox). Pull out the plastic cover hiding the oil draining bolt for a little more access.
And dont forget to cover the floor/ground or this will leave a stain
