Pediastaff, a pediatric/school-based therapy staffing & placement firm, has created a very helpful and extremely popular collection of boards on Pinterest. If you're a regular Pinterest user you'll definitely want to follow Pediastaff, but even if you're not very familiar with Pinterest you're still bound to find inspiration from a visit to their boards.
They cover just about everything, from OT or behavioral hints to specific boards with resources about CP, autism or visual impairment. I also love their holiday-themed boards with craft and celebration ideas. Each board links to resources they've found around the internet that are relevant to the topic.
One word of warning: There is A LOT of information here! You may find yourself scrolling through Pediastaff's Pinterest boards for hours!