Kirishima, a volcano not far from Sakurajima on Kyushu, is currently putting on a show, complete with lava fountains. ((Or at least energetic jets of incandescent material.)) Here is a webcam with good view of the eruption. Here’s another (scroll down to the seventh item from the bottom in the list at right, “???”).
[flowplayer src=’http://tancos.net/flv/wp-content/uploads/Kirishima.mp4′ width=640 height=480]
Update: The above is a movie I assembled from frame grabs from one of the Kirishima webcams collected by the commentor “Raving” at the Eruptions weblog.
Update II: There are some nice pictures here, including some examples of volcanic lightning. (Some ads on the site are borderline NSFW.)
Update III: The erupting crater is the “James Bond” volcano.