Eli Roth, 56, who is from California but lives in Edinburgh, said he hopes the protests will encourage people in the U.S.to "fight the Trump regime".
U.S. President Donald Trump played golf on Saturday at his course on Scotland's west coast ahead of a summit with Kremlin chief Vladimir Putin that could be overshadowed by accusations of Russian meddling in the 2016 U.S. election.
While at the Turnberry course on Friday evening, an activist for the Greenpeace environmental campaign group swooped on a powered parachute within a few hundred yards of the president as he stood outside the golf course's hotel.
In an uproarious trip to Europe, Trump harangued members of the North Atlantic Treaty Organisation military alliance, scolded Germany for its dependence on Russian energy and shocked Britain by publicly criticizing Prime Minister Theresa May's Brexit strategy. Trump also said that May could execute Brexit however she wants - "just make sure we can trade together".
Trump's visit to Scotland follows a two-day working trip to England, and meetings with British Prime Minister Theresa May and Queen Elizabeth, during which an estimated tens of thousands of protesters marched in London.
Seemingly as an afterthought, Trump added that he would be going to Helsinki, Finland Monday to meet with Russian President Vladimir Putin.
"And, because of those golf courses, Trump has a long and pretty controversial history here", she said.
US President Donald Trump waves to protesters while playing golf at Turnberry golf club, Scotland, Saturday, July 14, 2018.
US President Donald Trump is staying at his resort in Turnberry in western Scotland amid anti-Trump protests and allegations over Russian meddling into the 2016 election.
Protesters launched into the sky a 20-foot (6-meter) tall blimp depicting Trump as an angry orange baby holding a phone for tweeting.
But well away from the noisy demonstrations, Mr Trump and Mrs May took questions from reporters.
Scotland have continued the protests against the president, with huge demonstrations taking place in cities such as Glasgow and Edinburgh.
"A famous golf course owner from America who, I think, has now turned his hand to politics, chose to take the Scottish government to court to try to block these wind turbines", the Scottish National Party (SNP) leader said as the first turbine was switched on last week.
The proposal was welcomed by former first minister Jack McConnell - who named Trump a "Global Scot" business ambassador in 2006 shortly before his Labour Party lost power to the SNP.
"Why didn't they do something about it, especially when it was reported that President Obama was informed by the Federal Bureau of Investigation in September, before the Election?"
Mr Trump said he had given the PM a suggestion about how to come out on top in the talks but "she found it maybe too brutal".
The BBC reported that protest organizers wanted to speak out against "Trump's politics of division and hatred".
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