Dog sweater from a human sweater sleeve
Vertiscape vertical garden system, might be a good option your north boundary line. You get a good idea of the type of coverage you can get.
Home-made cork board made with collected corks and old frame and used some nice big wine glasses to have corks spilling out of them, love it! It's art and a functional cork board at the same time :)
DIY Snowflakes of Paper
Como fazer flocos de neve de papel - Passo a passo com fotos - How make paper snowflakes - DIY tutorial - Madame Criativa - www.madamecriativa.com.br
DIY: backyard tin can fence garden
DIY Lace Like Stepping Stones