float placement, overwriting page numbers

Hi, I am having problems with text sometimes overwriting the page numbers at the bottom when there is a float in the page (figure or table). My float placement is set to 'tbp', but the only combination I've found that avoids the problem is setting it to 'p', i.e. separating the floats from the te

disappearing figures

Hi, I've just started using Lyx & I can't seem to put figures in my documents! I do the insert->figure thing, give it my .ps file & it appears nicely in my document & everything, then when I do 'View Postscript' I see it being drawn on the page and just as it finishes drawing it disappears! If I