# go to {nav Configuration > Website > Regional} section
# create second language
# go to {nav Tools > Query Database} section
# run SQL like `ALTER TABLE inp_PromoBlocks ADD l1_SecondImage VARCHAR(255) NOT NULL DEFAULT "", ADD l2_SecondImage VARCHAR(255) NOT NULL DEFAULT ""` (replace `inp_` with your table prefix)
# add test code line `$fields['l' . $lang_id . '_SecondImage'] = $a_image;` to `promo-block:OnAfterConfigRead` event after `"$fields['l' . $lang_id . '_Image'] = $a_image;"` line
# add test code `<inp2:promo-block_ImageField/><br /><inp2:promo-block_ImageField name='SecondImage'/>` to `promo_blocks/promo_block_edit` template
# add test code line `<inp2:m_RenderElement name="inp_edit_swf_upload" caption_render_as="multilang_field_caption_element" prefix="promo-block" field="l{$langId}_SecondImage" title="la_fld_SecondImage"/>` to `promo_blocks/promo_block_edit` template after `<inp2:m_RenderElement name="inp_edit_swf_upload" caption_render_as="multilang_field_caption_element" prefix="promo-block" field="l{$langId}_Image" title="la_fld_Image"/>` line
# go to {nav Website & Content > Promo Blocks > Default Group} section
# add promo block with primary language images only
# open just added promo block on edit
# confirm that file names, displayed by test tags, are related to primary language
# select another language in the top right corner of the promo block edit form
# confirm that file names, displayed by test tags, are related to primary language
# add images for secondary language and save
# open just edited promo block on edit
# confirm that file names, displayed by test tags, are related to currently selected language
# select another language in the top right corner of the promo block edit form
# confirm that form refreshes and file names, displayed by test tags, are related to just selected language