5
I'm from England.
1) I wouldn't of thought so, however my experiance with other galleries like MAGalery, MyAlbum, Xoopsgallery is there a little buggy and not the best.
I have run three albums before with no probs (MYAlbum, XCG and XoopsGallery).
You can set XCG up so people can only submit to certain area's, you can also allow them have or not have there own album, plus many more features.
2) I leave that as my home page (www.mydomain.com)
I'm presuming your unsure what this means, well when a E-cad is sent out it allows you put a 'See More' link in there, now if you have your gallery open for every one to see including anom users you could set it as www.mydomain.com/modules/XCGallery/ however if you require registration this would be pointless so it would be more affective to just them back to your main site home page.
Hope this is of help.