Problems with the covers

[Drackomalkavian]

Hi all. I'm new in the world of the Ebooks. Now, i discoverd that program and i have to say that is awseome, but i have a problem with the covers. When i try to get the cover with the program i have this error


Starting cover download for: El Yermo De Aiel
Query: El Yermo De Aiel [u'Robert Jordan'] {u'amazon': u'8448031229', u'google': u'Pf92QgAACAAJ', u'isbn': u'9788448031220'}

****************************** Google Covers ******************************
Request extra headers: [('User-agent', 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/525.19 (KHTML, like Gecko) Chrome/0.2.153.1 Safari/525.19')]
Failed to download valid cover
Took 0.686000108719 seconds
No cached cover found, running identify
No cover found

************************************************** ******************************

****************************** Amazon.com Covers ******************************
Request extra headers: [('User-agent', 'Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)')]
Failed to download valid cover
Took 0.0620000362396 seconds
Downloading cover from: http://g-ecx.images-amazon.com/image...ge-no-ciu..gif
Failed to download cover from: http://g-ecx.images-amazon.com/image...ge-no-ciu..gif
Traceback (most recent call last):
File "site-packages\calibre\ebooks\metadata\sources\amazon.py ", line 651, in download_cover
File "site-packages\mechanize-0.2.4-py2.7.egg\mechanize\_mechanize.py", line 199, in open_novisit
File "site-packages\mechanize-0.2.4-py2.7.egg\mechanize\_mechanize.py", line 255, in _mech_open
httperror_seek_wrapper: HTTP Error 404: Not Found

************************************************** ******************************

****************************** Open Library Covers ******************************
Request extra headers: [('User-agent', 'Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:2.0.1) Gecko/20100101 Firefox/4.0.1')]
Failed to download valid cover
Took 0.421000003815 seconds
No cover for ISBN: u'9788448031220' found

************************************************** ******************************


What can i do? ^^

[speakingtohe]

Removing the ID and doing a fresh metadata download often works for me
Helen