I'm using the Windows MMSSTV which seems capable but a little cryptic to operate. Here's how VK2BLQ looks at my place.
Here's how I reply back to him:
For some reason I can't get MMSSTV to automatically log received pictures (Update: I found the history images in C:\Ham\MMSSTV\History) but here's a few I've grabbed just this morning. ZL2CC:
VK6AAL (who, I might add, is a very entertaining SSTVer)
Catch you on 14.230 SSTV! Here's a few more.