Some local nonprofits will soon be spiffing up their websites, creating new promotional videos and brochures and undertaking other outreach improvements, thanks to the West Marin Fund. Twenty-five organizations received a total of $54,900 from the fund this fall, in grants meant for improving communications ranging from about $850 to $5,000. The idea for the grants—the sixth round the fund has distributed since its founding three years ago—arose earlier this year after this newspaper purchased…