Your pictures of Scotland: 21 - 28 February

Brian Mackenzie, from Edinburgh, saw tram testing in the city. If you want to let us know what you think of this week's pictures, go to http://www.facebook.com/bbcscotlandnews

The aurora borealis over Castletown, Caithness, was photographed by Alan Kennedy on Sunday using camera trickery and "waving a small LED torch" around.

A snow hole in the Cairngorms provided a rest place for David Barratt, from Inverkeithing, his brother and friend before skiing.

Frogs in Walter M Ritchie's garden pond, in Kilmartin, appear to be thriving.

Laggan Dam was in full flow on Sunday. Annette Bacon, from Dunfermline, was on her way home from Kyle of Lochalsh and said: "the sound was deafening".

Steven Biggs, from East Kilbride, found it hard to believe this view of the north east is only a few miles from the industrial heart of Aberdeen.

Martha whizzed past Pollok House, on her scooter, watched by mum Ali MacLeod.

The Northern Lights over the Dee valley. Gavin Shaw was out late in Craigie Daff Wood, near Denside of Durris, on Thursday night.

Raindrops on Margaret Douglas's washing line in Head of Muir, Stirlingshire, reflected miniature daffodils.

Higgs, the kitten, took shelter during a walk along Sanna Bay with owners Christian Witte and Kimia from Glasgow.

Falls of Dochart, near Killin, on Sunday. Dave Henderson, from Leith, said the water level had risen by half a metre overnight.

The sky over Inverurie and Oldmeldrum around 20:30 on Thursday evening. Gary Morrison was somewhere between the town and Chapel of Garioch.

David May, from the Black Isle, was in Ullapool on Tuesday.

Edward Stephen's photo of "an unusually wind-free morning", in Montrose Basin.

Sand dunes along the River Ythan. Ian Clarke, from Newburgh, saw Aberdeen in the distance.