Cleaning fence paint off automotive paint

Not really enough information at the moment, but the idiot workperson painting our neighbour's fence has (some time ago) splashed drops of brown paint on the front corner of our motor home. AFAIK the bodywork is aluminium. Just noticed it today whilst washing the green slime off the front.
We don't yet know what particular paint it was, so don't know if it may respond to solvents.
Anyone else hit this problem and solved it?
Hoping that a little T-cut may be all that is needed to remove it, but then we will have one shiny corner of the MH to show the rest up :-(
Whilst we are on the subject, the fibreglass roof seems to have round dark dots of varying sizes which look organic in outline. I am assuming a mould or lichen or similar. Any experience of removing this?
As the stock market is down is it worth buying some T-cut shares?
Cheers
Dave R
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Windows 8.1 on PCSpecialist box

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David wrote:

My caravan's aluminium roof has similar, I would say lichen.
I found that it could be reduced somewhat using the normal long-handled brush, but could only get it really clear using ordinary car wax polish and rubbing vigorously.
I guess on a motor home, access may be the biggest problem.
Chris
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Chris J Dixon Nottingham UK
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On Mon, 22 Feb 2016 18:13:55 +0000, Chris J Dixon wrote:

In the process of borrowing a tower.
Doing anything on a roof 3 metres up on top of a tall step ladder is not my idea of fun.
Cheers
Dave R
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On 22/02/16 18:01, David wrote:

I managed to get tiny dots of masonry paint on one of my cars, claying it removed it completely.
http://www.bilthamber.com/waxes-polishes-and-clay-bars/auto-clay
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On Mon, 22 Feb 2016 18:01:45 +0000, David wrote:

Update: nail varnish remover applied by cotton bud removed all the big bits (my partner did this - far more patience than I) followed by a gentle application of T-cut for the micro splashes.
Looking pretty good now.
Cheers
Dave R
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