Doing the 301/404 exclusions in "scan website | output filters" won't always save you time because:
1)
before A1SG knows an URL errors (404 etc.) it has already downloaded it. (You can override this before and configure A1SG to use HEAD(ers) requests before GET. However, some servers refuse / are buggy when it comes to HEAD requests.)
2)
even if an URL is excluded in
"output filters" it may still be an URL that passes
"analysis filters", and if so, it is still downloaded and analyzed for links (just not included in output if excluded in "output filters")
...
Concerning the missing images. Are you sure you are no hosting images on external domains? And if you do, did you use the image preset where images are hosted on external domains?
If you used the external preset, that will also explain why scan takes long time since lots of external URLs are then checked.
Anyhow, you can just bumb connections + threads in
"scan website | crawler engine" the -
default speed configuration in A1SG is about 5-10% of max. (Depends on many factors, so hard to give an exact number)
...
See also:
http://www.microsystools.com/products/sitemap-generator/help/image-xml-sitemaps/If you still have problems, drop an email to support with link to the website:
http://www.microsystools.com/home/contact.php
