What if you really need a crisp JPG image? Luckily GDI+ has hidden in it's ample folds a facility to allow you to set the quality of your JPG output and (thankfully) it is a really simple thing to do.
low quality
/chrisg/tools/compression.aspx?comp=0
highest
/chrisg/tools/compression.aspx?comp=100
view source (c#)
/chrisg/tools/view-compression.aspx.aspx
download source (c#)
/chrisg/tools/download.asp?file=compression.aspx
download source (vb)
/chrisg/tools/download.asp?file=compression-vb.aspx