This excellent resource for teaching Spanish has both a blog and a YouTube channel.
In particular, see the post "Reading is Breathing-Give Your Students Oxygen," an article about incorporating reading into your practice.
Diaries of a Mad Foreign Language Teacher From Mike Travers, a high school Spanish teacher in Wellesley, Mass.
Growing with Heritage Learners Teaching Heritage Spanish using reading and writing workshop.
Language Sensei A language teacher's journey.
Madame's Musings A site about proficiency-based foreign language instruction.
Maris Hawkins A glimpse inside my journey of teaching Spanish. Two posts of note: "Back to School Week: Ways to Avoid a Review" and "How I Plan Without a Textbook: Comprehensible Input and Authentic Resources"
Tales from the Salle de Classe Everyday adventures in an ordinary classroom.
Thematic Units=Works in Progress A blog from Massachusetts French teacher Rebecca Blouwolff.