Links

Ardveg Stalking Article
Bill Cowie's Bog (South Rona)
CANMORE (RCAHMS)
Comann Eachdraidh Uig (Uig Historical Society - Lewis)
Discovery & Excavation Scotland Journals
Geograph UK
Hebridean Air Services
Hebrides Cruises (Elizabeth G/Rob Barlow)
Heritage Paths Scotland
Hidden Hebrides
Ireland's Sile-na-Gig (Sheela-na-Gigs of Ireland)
Island Castles of Scotland (Photostream)
Islands Book Trust
Island of Boreray (Jerry Cox) - appears inactive
Islay Blog (Armin Grewe)
IslayInfo Blog
Isle of Tiree
John Humphries' blog
Lismore Accomodation
Lismore Gaelic Heritage
Love Scottish Islands
Mhor and More (Walking in South Uist)
My Geograph Page (Grid-Square Photos)
Northern Light Cruising Company (Mark Henrys)
Old OS Maps of Scotland
Pairc Historical Society
The Papar Project (Hebrides Page)
Paul Camilli's Blog (Raasay)
Place Names of Skye
Poplar Diver
Proceedings of the Society of Antiquaries of Scotland
Ravenspoint Centre (Pairc)
Saints and Stones
Scottish Anchorages
Scottish Islands Explorer
Sea Harris
Seattle Gaelic Society
SheelaNaGig.org
South Rona
Stravaiging Around Scotland
Stylized Beehive
Wild Lochaber

Photo Location Tools
Plot photo coordinates on GoogleEarth
OS Grid to Lat/Long Converter
Lat/Long Decimal to Deg:Min:Sec Converter
Tool to extract Photo GPS coordinates (Lat/Lng) to a csv file

With some editing, the csv file created by the above tool can be converted to OS Grid using the following tool:
OS Batch Conversion Tool - Convert Photo GPS coordinates to OS Grid