Wallderful’ provides amazing mockups including:

smart object based frames
12 beautiful locations photos
up to 8 texture variations per frame
4 most popular horizontal frame sizes: 11’’x8.5’’, 10’’x8’’, 14’’x11’’, A4 International (+ frameless for each)
additional adjustments for more realistic look
high-res 300 dpi and 3648x5472 px .psd files
and yes, frames are movable!