Thanks for the reply.
This is from my .log file
Started GET "/" for 122.183.133.1 at 2012-09-13 07:38:52 +0000
 Processing by HomeController#index as HTML
 [1m [36mProduct Load (1.3ms) [0m  [1mSELECT id, product_type, name, slug, short_description, price, farm_name, lbcount, unit FROM `products` WHERE (featured_product=1) ORDER BY rand() LIMIT 20 [0m
[paperclip] Duplicate URL for attachment with /system/:attachment/:id/:style/:filename. This will clash with attachment defined in Advertisement class
 [1m [35mCategoryImage Load (0.9ms) [0m  SELECT `category_images`.* FROM `category_images` WHERE `category_images`.`product_id` IN (43, 40, 88, 54, 158, 150, 57, 70, 109)
 [1m [36mCategory Load (1.0ms) [0m  [1mSELECT `categories`.* FROM `categories` WHERE `categories`.`id` IN (8, 2, 4, 9, 5, 10, 11, 6) [0m
 [1m [35mPicture Load (12.3ms) [0m  SELECT `pictures`.* FROM `pictures` WHERE `pictures`.`imageable_type` = 'Product' AND `pictures`.`imageable_id` IN (43, 40, 88, 54, 158, 150, 57, 70, 109)
 [1m [36mCompany Load (1.0ms) [0m  [1mSELECT `companies`.* FROM `companies` WHERE (name IN ('Fresh goat cheese','Scallops','Maine lobsters','Fresh peaches','Teas')) ORDER BY rand() [0m
 [1m [35mProduct Load (0.7ms) [0m  SELECT id, product_type, name, slug, short_description, price, farm_name, lbcount, unit FROM `products` WHERE (featured_product = 0 and new_product= 1) ORDER BY rand() LIMIT 20
 [1m [36mCategoryImage Load (0.6ms) [0m  [1mSELECT `category_images`.* FROM `category_images` WHERE `category_images`.`product_id` IN (119, 31, 84, 51, 120, 154, 103, 37, 56, 130, 148) [0m
 [1m [35mCategory Load (0.6ms) [0m  SELECT `categories`.* FROM `categories` WHERE `categories`.`id` IN (14, 5, 13, 9, 2, 0, 7, 4, 17)
 [1m [36mPicture Load (1.3ms) [0m  [1mSELECT `pictures`.* FROM `pictures` WHERE `pictures`.`imageable_type` = 'Product' AND `pictures`.`imageable_id` IN (119, 31, 84, 51, 120, 154, 103, 37, 56, 130, 148) [0m
 [1m [35mThought Load (0.2ms) [0m  SELECT `thoughts`.* FROM `thoughts` ORDER BY created_at DESC LIMIT 1
 [1m [36mLearn Load (0.2ms) [0m  [1mSELECT `learns`.* FROM `learns` ORDER BY created_at DESC LIMIT 2 [0m
[paperclip] Duplicate URL for attachment with /system/:attachment/:id/:style/:filename. This will clash with attachment defined in Category class
 [1m [35mAdvertisement Load (0.2ms) [0m  SELECT `advertisements`.* FROM `advertisements` ORDER BY created_at desc LIMIT 1
 [1m [36mNews Load (0.2ms) [0m  [1mSELECT `news`.* FROM `news` ORDER BY created_at DESC LIMIT 1 [0m
 [1m [35mBlog Load (0.2ms) [0m  SELECT `blogs`.* FROM `blogs` ORDER BY created_at DESC LIMIT 1
Rendered home/index.html.haml within layouts/application (3.0ms)
Completed 500 Internal Server Error in 359ms
ActionView::Template::Error (You did not provide both required access keys. Please provide the access_key_id and the secret_access_key.):
  267:       .img_col1
  268:        .capslide_img_cont1.ic_container{:style=>"position:absolute;"}Â
  269:         %a{:href => "/product_details" + "?category_id=#{@cate.category.slug}" + "&product_id=#{x.slug} "}
  270:          %img{:alt => "product",:src=>"#{i.image.url(:products)}", :width => "329" , :height =>"251"}
  271:         .ic_caption{:style => "display: block;"}        Â
  272:          .overlay-text
  273:           %a{:href => "/product_details" + "?category_id=#{@cate.category.slug}" + "&product_id=#{x.slug} "}
 app/views/home/index.html.haml:270:in `block in _app_views_home_index_html_haml___1026580395_93166550'
 app/views/home/index.html.haml:262:in `each'
 app/views/home/index.html.haml:262:in `_app_views_home_index_html_haml___1026580395_93166550'
Note: Some of the page running which looks like static page content.
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